# extraction_runs

provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:14:41
prompt_version: research:v2
raw_response:
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    },
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parsed_json:
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field_confidence:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:14:51
prompt_version: research:v2
raw_response:
  {
    "country": "Brazil",
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    "printer": "Thomas De La Rue & Company, Limited, London",
    "engraver": null,
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parsed_json:
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field_confidence:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:15:01
prompt_version: research:v2
raw_response:
  {
    "country": "Serbia",
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    "issuer": "Srpska Narodna Banka",
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    "pick_number": "27a",
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    "front_description": "Peter II of Yugoslavia (1923–1970), the last King of Yugoslavia who reigned from 1934 to 1945. He was overthrown as a minor in 1941 when the Axis powers invaded Yugoslavia, spending the war years in exile. This note was issued by the collaborationist Serbian puppet government under German occupation during World War II, using the young king's image despite his exile and opposition to the occupation.",
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parsed_json:
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field_confidence:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:15:10
prompt_version: research:v2
raw_response:
  {
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model: gpt-4o
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model: gpt-4o
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:16:05
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provider: research:openai
model: gpt-4o
status: ok
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provider: research:openai
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:17:00
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:17:09
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raw_response:
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provider: research:openai
model: gpt-4o
status: ok
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provider: research:openai
model: gpt-4o
status: ok
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:17:42
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:17:52
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provider: research:openai
model: gpt-4o
status: ok
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provider: research:openai
model: gpt-4o
status: ok
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provider: research:openai
model: gpt-4o
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provider: research:openai
model: gpt-4o
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provider: research:openai
model: gpt-4o
status: ok
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provider: research:openai
model: gpt-4o
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:19:28
prompt_version: research:v2
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:19:39
prompt_version: research:v2
raw_response:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:19:50
prompt_version: research:v2
raw_response:
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parsed_json:
  {"country": "Germany", "currency": "Papiermark", "denomination": "1000000", "series_year": "1923", "series_name": "Hyperinflation series", "series_range": "1923\u20131923", "issue_year": "1923", "era": "1900_1945", "legal_status": "demonetized", "legal_status_date": "1924-08-30", "predecessor_currency": "Goldmark", "successor_currency": "Rentenmark", "issuer": "Reichsbankdirektorium", "issuer_native": "Reichsbankdirektorium", "signatures": "Reichsbankdirektorium: H. Schacht", "printer": "Reichsdruckerei", "engraver": null, "material": "paper", "dimensions_mm": "105x70", "watermark": "Geometric pattern visible in right panel", "security_features": "microprint,intaglio", "color_palette": "#d4c4a0,#8b9456,#000000", "portrait_subject": null, "reverse_subject": null, "themes": "commemorative", "commemorative": false, "commemorative_occasion": null, "pick_number": "P-102b", "krause_id": null, "wpm_id": null, "rarity_tier": "common", "front_description": "Reichsbanknote of one million marks issued during the Weimar Republic hyperinflation crisis of 1923. The note displays the Reichsadler (Imperial Eagle) emblem of the Weimar Republic at bottom, with Gothic blackletter typography stating 'EINE MILLION MARK'. The text declares that the Reichsbank main office in Berlin pays the bearer one million marks, and that from 1 September 1923 this note can be called in and exchanged for other legal tender. Dated Berlin, 9 August 1923, signed by the Reichsbankdirektorium. The note features an ornate green geometric security panel on the right side.", "back_description": "Plain reverse with faint impression of the front design visible through the paper, typical of Weimar hyperinflation emergency issues which prioritized rapid production over elaborate designs.", "historical_notes": "This one million mark note was issued during the catastrophic Weimar hyperinflation of 1923, when the Papiermark collapsed in value due to war reparations payments and government debt monetization. By August 1923, the Reichsbank was issuing million-mark denominations; by November 1923, the peak of hyperinflation saw trillion-mark notes. The Papiermark was replaced by the Rentenmark in November 1923 at a rate of 1 Rentenmark = 1 trillion Papiermark, stabilizing the German economy. These hyperinflation notes are extremely common today due to massive overprinting, though they remain important historical artifacts of economic collapse.", "language_script": "Fraktur (Gothic blackletter)", "languages": "de", "serial_number": null, "serial_prefix": "HM", "serial_suffix": null, "replacement_note": false, "replacement_indicator": null, "condition_grade": "VF", "condition_notes": "Note shows moderate circulation with some staining and age toning, corners slightly soft, overall integrity good", "estimated_value_low": null, "estimated_value_high": null, "value_currency": null, "field_confidence": {"country": 1, "currency": 1, "denomination": 1, "series_name": 1, "series_year": 1, "issue_year": 1, "issuer": 1, "signatures": 0.9, "printer": 1, "material": 1, "dimensions_mm": 1, "watermark": 1, "portrait_subject": 0, "reverse_subject": 0, "pick_number": 1, "serial_number": 0, "front_description": 1, "back_description": 1, "historical_notes": 1, "condition_grade": 1}, "overall_confidence": 0.95, "flags": []}

field_confidence:
  {"country": 1.0, "currency": 1.0, "denomination": 1.0, "series_name": 1.0, "series_year": 1.0, "issue_year": 1.0, "issuer": 1.0, "signatures": 0.9, "printer": 1.0, "material": 1.0, "dimensions_mm": 1.0, "watermark": 1.0, "portrait_subject": 0.0, "reverse_subject": 0.0, "pick_number": 1.0, "serial_number": 0.0, "front_description": 1.0, "back_description": 1.0, "historical_notes": 1.0, "condition_grade": 1.0}


provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:19:59
prompt_version: research:v2
raw_response:
  {
    "country": "Germany",
    "currency": "Papiermark",
    "denomination": "10000000",
    "series_year": "1923",
    "series_name": "Hyperinflation emergency issues",
    "series_range": "1923–1923",
    "issue_year": "1923",
    "era": "1900_1945",
    "legal_status": "demonetized",
    "legal_status_date": "1924",
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    "printer": "Reichsdruckerei",
    "engraver": null,
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    "front_description": "Weimar Republic hyperinflation emergency banknote issued during the catastrophic inflation of 1923. The note is dated August 22, 1923 and marked 'OE-40' with serial number 079852 and a replacement asterisk. The text warns that the note is payable by the Reichsbankhauptkasse in Berlin and can be called in starting October 1, 1923, to be exchanged for other legal tender. The Reichsadler (Imperial Eagle) seal appears at both lower corners, representing the authority of the Weimar Republic. This denomination represents the peak of German hyperinflation when the Papiermark became essentially worthless.",
    "back_description": "The reverse shows a heavily faded or blank design with very faint text and Reichsadler seals visible at the corners, typical of the simplified emergency printing during the hyperinflation crisis when speed of production took precedence over elaborate security features.",
    "historical_notes": "This 10 million Mark note was issued during the Weimar Republic hyperinflation of 1923, one of history's most severe monetary crises. By August 1923, the German mark had lost virtually all purchasing power due to war reparations, economic disruption, and government money-printing. Notes were printed in increasingly astronomical denominations – this 10 million mark note was soon followed by billion and trillion mark issues. The replacement asterisk after the serial number indicates this is a replacement note used to replace defective notes in a print run. The crisis ended in November 1923 with the introduction of the Rentenmark at a rate of 1 Rentenmark = 1 trillion Papiermark. These hyperinflation notes, while common, serve as historical artifacts of economic catastrophe and the fragility of fiat currency.",
    "language_script": "Latin (Fraktur)",
    "languages": "de",
    "serial_number": "079852",
    "serial_prefix": "OE-40",
    "serial_suffix": null,
    "replacement_note": true,
    "replacement_indicator": "*",
    "condition_grade": "VF",
    "condition_notes": "Note shows moderate circulation with some discoloration/aging to the paper. The back is significantly faded. Overall intact with clear printing on the front.",
    "estimated_value_low": null,
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    "value_currency": null,
    "field_confidence": {
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    },
    "overall_confidence": 0.95,
    "flags": []
  }

parsed_json:
  {"country": "Germany", "currency": "Papiermark", "denomination": "10000000", "series_year": "1923", "series_name": "Hyperinflation emergency issues", "series_range": "1923\u20131923", "issue_year": "1923", "era": "1900_1945", "legal_status": "demonetized", "legal_status_date": "1924", "predecessor_currency": "Papiermark (earlier denominations)", "successor_currency": "Rentenmark", "issuer": "Reichsbankdirektorium", "issuer_native": "Reichsbankdirektorium", "signatures": "Reichsbankdirektor: Simon, Reichsbankdirektor: Pinner", "printer": "Reichsdruckerei", "engraver": null, "material": "paper", "dimensions_mm": "140x90", "watermark": null, "security_features": "microprint", "color_palette": "#d4c79a,#8b7355,#2f2f2f", "portrait_subject": null, "reverse_subject": null, "themes": "commemorative", "commemorative": false, "commemorative_occasion": null, "pick_number": "106b", "krause_id": null, "wpm_id": null, "rarity_tier": "common", "front_description": "Weimar Republic hyperinflation emergency banknote issued during the catastrophic inflation of 1923. The note is dated August 22, 1923 and marked 'OE-40' with serial number 079852 and a replacement asterisk. The text warns that the note is payable by the Reichsbankhauptkasse in Berlin and can be called in starting October 1, 1923, to be exchanged for other legal tender. The Reichsadler (Imperial Eagle) seal appears at both lower corners, representing the authority of the Weimar Republic. This denomination represents the peak of German hyperinflation when the Papiermark became essentially worthless.", "back_description": "The reverse shows a heavily faded or blank design with very faint text and Reichsadler seals visible at the corners, typical of the simplified emergency printing during the hyperinflation crisis when speed of production took precedence over elaborate security features.", "historical_notes": "This 10 million Mark note was issued during the Weimar Republic hyperinflation of 1923, one of history's most severe monetary crises. By August 1923, the German mark had lost virtually all purchasing power due to war reparations, economic disruption, and government money-printing. Notes were printed in increasingly astronomical denominations \u2013 this 10 million mark note was soon followed by billion and trillion mark issues. The replacement asterisk after the serial number indicates this is a replacement note used to replace defective notes in a print run. The crisis ended in November 1923 with the introduction of the Rentenmark at a rate of 1 Rentenmark = 1 trillion Papiermark. These hyperinflation notes, while common, serve as historical artifacts of economic catastrophe and the fragility of fiat currency.", "language_script": "Latin (Fraktur)", "languages": "de", "serial_number": "079852", "serial_prefix": "OE-40", "serial_suffix": null, "replacement_note": true, "replacement_indicator": "*", "condition_grade": "VF", "condition_notes": "Note shows moderate circulation with some discoloration/aging to the paper. The back is significantly faded. Overall intact with clear printing on the front.", "estimated_value_low": null, "estimated_value_high": null, "value_currency": null, "field_confidence": {"country": 1.0, "currency": 1.0, "denomination": 1.0, "series_name": 1.0, "series_year": 1.0, "issue_year": 1.0, "issuer": 1.0, "signatures": 0.9, "printer": 1.0, "material": 1.0, "dimensions_mm": 0.8, "watermark": 0.0, "portrait_subject": 0.0, "reverse_subject": 0.0, "pick_number": 1.0, "serial_number": 1.0, "front_description": 1.0, "back_description": 1.0, "historical_notes": 1.0, "condition_grade": 1.0}, "overall_confidence": 0.95, "flags": []}

field_confidence:
  {"country": 1.0, "currency": 1.0, "denomination": 1.0, "series_name": 1.0, "series_year": 1.0, "issue_year": 1.0, "issuer": 1.0, "signatures": 0.9, "printer": 1.0, "material": 1.0, "dimensions_mm": 0.8, "watermark": 0.0, "portrait_subject": 0.0, "reverse_subject": 0.0, "pick_number": 1.0, "serial_number": 1.0, "front_description": 1.0, "back_description": 1.0, "historical_notes": 1.0, "condition_grade": 1.0}


provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:20:09
prompt_version: research:v2
raw_response:
  {
    "country": "Germany",
    "currency": "Reichsmark",
    "denomination": "10",
    "series_year": "1929",
    "series_name": "Reichsbanknote Series 1929",
    "series_range": "1929–1945",
    "issue_year": null,
    "era": "1900_1945",
    "legal_status": "demonetized",
    "legal_status_date": "1948-06-20",
    "predecessor_currency": "Rentenmark",
    "successor_currency": "Deutsche Mark",

    "issuer": "Reichsbank",
    "issuer_native": "Reichsbank",
    "signatures": "Reichsbankdirektorium signature visible",
    "printer": "Reichsdruckerei",
    "engraver": null,

    "material": "paper",
    "dimensions_mm": "148x82",
    "watermark": "Geometric pattern with denomination numeral",
    "security_features": "intaglio,microprint",
    "color_palette": "#8b7355,#2f4f2f,#d4a574",

    "portrait_subject": null,
    "reverse_subject": null,
    "themes": "statesman",
    "commemorative": false,
    "commemorative_occasion": null,

    "pick_number": "P-180a",
    "krause_id": null,
    "wpm_id": null,
    "rarity_tier": "common",

    "front_description": "This 10 Reichsmark note displays the Weimar Republic eagle emblem in circular seals at left and right. The text 'Reichsbanknote Zehn Mark' appears in Gothic blackletter (Fraktur) script with ornate decorative borders. The inscription reads 'Nach dem Reichsbankgesetz vom 30. August 1924 für die Reichsbankkasse strafbar' (After the Reichsbank law of 30 August 1924, counterfeiters will be punished). This series was introduced during the Weimar Republic following the stabilization of German currency after the hyperinflation crisis of 1923.",
    "back_description": "Elaborate geometric and arabesque pattern with denomination numeral '10' at center. The design features intricate scrollwork borders with repeated text warning against counterfeiting: 'Wer Banknoten nachmacht oder verfälscht oder nachgemachte oder verfälschte sich verschafft und in Verkehr bringt wird mit Zuchthaus nicht unter zwei Jahren bestraft' (Whoever counterfeits or falsifies banknotes or procures and circulates counterfeited or falsified notes will be punished with imprisonment of no less than two years). The decorative style reflects the transition from Imperial to Weimar design aesthetics.",
    "historical_notes": "The Reichsmark was introduced in 1924 to replace the Rentenmark and stabilize German currency after the catastrophic hyperinflation of 1923. The 1929 series, printed by the Reichsdruckerei (Reich Printing Works), continued to circulate through the Nazi period and World War II until currency reform in 1948 when it was replaced by the Deutsche Mark in West Germany and the East German Mark in the Soviet zone. This 10 Reichsmark denomination was a common mid-value note used for everyday transactions throughout the Weimar and Nazi eras.",
    "language_script": "Latin (Fraktur)",
    "languages": "de",

    "serial_number": "WZ041420",
    "serial_prefix": "WZ",
    "serial_suffix": null,
    "replacement_note": false,
    "replacement_indicator": null,

    "condition_grade": "VF",
    "condition_notes": "Note shows signs of circulation with some creasing, slight discoloration, and a red stamp/overprint visible on front. Paper appears intact with no major tears.",

    "estimated_value_low": null,
    "estimated_value_high": null,
    "value_currency": null,

    "field_confidence": {
      "country": 1, "currency": 1, "denomination": 1,
      "series_name": 1, "series_year": 1, "issue_year": 0,
      "issuer": 1, "signatures": 0.8, "printer": 1,
      "material": 1, "dimensions_mm": 1, "watermark": 1,
      "portrait_subject": 0, "reverse_subject": 0,
      "pick_number": 1, "serial_number": 1,
      "front_description": 1, "back_description": 1,
      "historical_notes": 1, "condition_grade": 1
    },
    "overall_confidence": 0.95,
    "flags": []
  }

parsed_json:
  {"country": "Germany", "currency": "Reichsmark", "denomination": "10", "series_year": "1929", "series_name": "Reichsbanknote Series 1929", "series_range": "1929\u20131945", "issue_year": null, "era": "1900_1945", "legal_status": "demonetized", "legal_status_date": "1948-06-20", "predecessor_currency": "Rentenmark", "successor_currency": "Deutsche Mark", "issuer": "Reichsbank", "issuer_native": "Reichsbank", "signatures": "Reichsbankdirektorium signature visible", "printer": "Reichsdruckerei", "engraver": null, "material": "paper", "dimensions_mm": "148x82", "watermark": "Geometric pattern with denomination numeral", "security_features": "intaglio,microprint", "color_palette": "#8b7355,#2f4f2f,#d4a574", "portrait_subject": null, "reverse_subject": null, "themes": "statesman", "commemorative": false, "commemorative_occasion": null, "pick_number": "P-180a", "krause_id": null, "wpm_id": null, "rarity_tier": "common", "front_description": "This 10 Reichsmark note displays the Weimar Republic eagle emblem in circular seals at left and right. The text 'Reichsbanknote Zehn Mark' appears in Gothic blackletter (Fraktur) script with ornate decorative borders. The inscription reads 'Nach dem Reichsbankgesetz vom 30. August 1924 f\u00fcr die Reichsbankkasse strafbar' (After the Reichsbank law of 30 August 1924, counterfeiters will be punished). This series was introduced during the Weimar Republic following the stabilization of German currency after the hyperinflation crisis of 1923.", "back_description": "Elaborate geometric and arabesque pattern with denomination numeral '10' at center. The design features intricate scrollwork borders with repeated text warning against counterfeiting: 'Wer Banknoten nachmacht oder verf\u00e4lscht oder nachgemachte oder verf\u00e4lschte sich verschafft und in Verkehr bringt wird mit Zuchthaus nicht unter zwei Jahren bestraft' (Whoever counterfeits or falsifies banknotes or procures and circulates counterfeited or falsified notes will be punished with imprisonment of no less than two years). The decorative style reflects the transition from Imperial to Weimar design aesthetics.", "historical_notes": "The Reichsmark was introduced in 1924 to replace the Rentenmark and stabilize German currency after the catastrophic hyperinflation of 1923. The 1929 series, printed by the Reichsdruckerei (Reich Printing Works), continued to circulate through the Nazi period and World War II until currency reform in 1948 when it was replaced by the Deutsche Mark in West Germany and the East German Mark in the Soviet zone. This 10 Reichsmark denomination was a common mid-value note used for everyday transactions throughout the Weimar and Nazi eras.", "language_script": "Latin (Fraktur)", "languages": "de", "serial_number": "WZ041420", "serial_prefix": "WZ", "serial_suffix": null, "replacement_note": false, "replacement_indicator": null, "condition_grade": "VF", "condition_notes": "Note shows signs of circulation with some creasing, slight discoloration, and a red stamp/overprint visible on front. Paper appears intact with no major tears.", "estimated_value_low": null, "estimated_value_high": null, "value_currency": null, "field_confidence": {"country": 1, "currency": 1, "denomination": 1, "series_name": 1, "series_year": 1, "issue_year": 0, "issuer": 1, "signatures": 0.8, "printer": 1, "material": 1, "dimensions_mm": 1, "watermark": 1, "portrait_subject": 0, "reverse_subject": 0, "pick_number": 1, "serial_number": 1, "front_description": 1, "back_description": 1, "historical_notes": 1, "condition_grade": 1}, "overall_confidence": 0.95, "flags": []}

field_confidence:
  {"country": 1.0, "currency": 1.0, "denomination": 1.0, "series_name": 1.0, "series_year": 1.0, "issue_year": 0.0, "issuer": 1.0, "signatures": 0.8, "printer": 1.0, "material": 1.0, "dimensions_mm": 1.0, "watermark": 1.0, "portrait_subject": 0.0, "reverse_subject": 0.0, "pick_number": 1.0, "serial_number": 1.0, "front_description": 1.0, "back_description": 1.0, "historical_notes": 1.0, "condition_grade": 1.0}


provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:20:19
prompt_version: research:v2
raw_response:
  {
    "country": "Germany",
    "currency": "Papiermark",
    "denomination": "500,000,000 Mark",
    "series_year": "1923",
    "series_name": "Hyperinflation issue",
    "series_range": "1923–1923",
    "issue_year": "1923",
    "era": "1900_1945",
    "legal_status": "demonetized",
    "legal_status_date": "1924-02-01",
    "predecessor_currency": "Goldmark",
    "successor_currency": "Rentenmark",
    "issuer": "Reichsbankdirektorium",
    "issuer_native": "Reichsbankdirektorium",
    "signatures": "Multiple signatures of Reichsbankdirektorium members visible but individual names illegible",
    "printer": "Reichsdruckerei",
    "engraver": null,
    "material": "paper",
    "dimensions_mm": "190x100",
    "watermark": null,
    "security_features": null,
    "color_palette": "#d4c4a8,#8b4513,#f5f5dc",
    "portrait_subject": null,
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    "themes": "commemorative",
    "commemorative": true,
    "commemorative_occasion": "Hyperinflation emergency currency issue",
    "pick_number": "S1012",
    "krause_id": null,
    "wpm_id": null,
    "rarity_tier": "common",
    "front_description": "Weimar Republic Reichsbanknote issued during the catastrophic hyperinflation of 1923, denominated at 500 million Mark (Fünfhundert Milliarden Mark). The note bears the date 26 October 1923, Berlin, and features the Weimar eagle emblem of the German Reich flanking the denomination. The text specifies that the Reichsbankhaupitkasse in Berlin will pay the bearer and that from 1 February 1924 the note can be called in and exchanged for other legal tender. Multiple signatures of the Reichsbankdirektorium members appear below the text.",
    "back_description": "Plain unprinted reverse, typical of emergency hyperinflation notes produced at extreme speed during the final months of the Papiermark collapse in 1923.",
    "historical_notes": "This 500-million-Mark note belongs to the final phase of Weimar Germany's hyperinflation, issued in October 1923 when currency values spiraled out of control daily. The Reichsbank printed emergency notes in astronomical denominations—by November 1923 a loaf of bread cost billions of marks. The note's text explicitly references its limited validity, stating it could be called in from 1 February 1924 for exchange. The hyperinflation ended when the Rentenmark was introduced in November 1923 (at 1 Rentenmark = 1 trillion Papiermark), and this currency was formally demonetized on 1 February 1924. These notes were mass-produced by the Reichsdruckerei on plain paper with minimal security features due to the urgent need for currency. They represent one of history's most extreme monetary crises.",
    "language_script": "Fraktur (blackletter German)",
    "languages": "de",
    "serial_number": "B·001209974",
    "serial_prefix": "B",
    "serial_suffix": "974",
    "replacement_note": false,
    "replacement_indicator": null,
    "condition_grade": "VF",
    "condition_notes": "Circulated note showing age-appropriate wear, paper toning, and minor soiling. Some edge wear and creasing visible but no major tears or damage.",
    "estimated_value_low": null,
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    "value_currency": null,
    "field_confidence": {
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    },
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    "flags": []
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parsed_json:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:20:36
prompt_version: research:v2
raw_response:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:20:46
prompt_version: research:v2
raw_response:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:20:57
prompt_version: research:v2
raw_response:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:21:08
prompt_version: research:v2
raw_response:
  {
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:21:19
prompt_version: research:v2
raw_response:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:21:30
prompt_version: research:v2
raw_response:
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  {"country": "Germany", "currency": "Mark", "denomination": "100", "series_year": "1910", "series_name": "Reichsbanknote Series", "series_range": "1908-1914", "issue_year": "1910", "era": "1900_1945", "legal_status": "demonetized", "legal_status_date": "1924", "predecessor_currency": "German Goldmark", "successor_currency": "Rentenmark", "issuer": "Reichsbank", "issuer_native": "Reichsbank", "signatures": "Reichsbankdirektorium members (illegible)", "printer": "Reichsdruckerei", "engraver": null, "material": "paper", "dimensions_mm": "185x115", "watermark": "Allegorical figure in clear field at left", "security_features": "microprint,intaglio,raised_print", "color_palette": "#2f4f4f,#8b0000,#daa520", "portrait_subject": "Germania (allegorical female figures)", "reverse_subject": "Germania with shield and sword", "themes": "mythology,statesman,industry", "commemorative": false, "commemorative_occasion": null, "pick_number": "P-42", "krause_id": null, "wpm_id": null, "rarity_tier": "common", "front_description": "Germania, the allegorical female personification of Germany, appears in profile busts on both sides of the center text. These classical representations symbolized the German Empire during the Imperial period. The note is inscribed 'Reichsbanknote' in Gothic script and dated 'Berlin, den 21. April 1910.' It bears the authority statement that the Reichsbank in Berlin pays the bearer of this note without legitimation check. Two red seals of the Reichsbank appear flanking the denomination and signatures of the Reichsbankdirektorium.", "back_description": "Germania seated in classical robes holding a sword and leaning against a shield bearing the German Imperial eagle. The scene includes allegorical elements of German industry and commerce, with a ship visible in the background on the left representing maritime trade. The ornate design features elaborate scrollwork and the denomination '100' repeated in the corners. This imagery reinforced German imperial power and economic strength during the Kaiserreich period.", "historical_notes": "This 100 Mark note belongs to the Reichsbanknote series issued by the German Empire's central bank (Reichsbank) between 1908 and 1914. These notes circulated during the final years of the Kaiserreich under Wilhelm II. The 1910 series featured elaborate engraved designs with allegorical representations of Germania, typical of Imperial German banknote aesthetics. Following World War I and the hyperinflation crisis of 1923, these notes were demonetized and replaced by the Rentenmark in 1924. The Gothic script ('Fraktur') and classical imagery reflect the cultural preferences of Imperial Germany.", "language_script": "Latin (Fraktur/Gothic)", "languages": "de", "serial_number": "C9573461", "serial_prefix": "C", "serial_suffix": null, "replacement_note": false, "replacement_indicator": null, "condition_grade": "VF", "condition_notes": "Note shows circulation with visible folds, ink marks/stamps, and general handling wear. Paper remains intact with no tears visible.", "estimated_value_low": null, "estimated_value_high": null, "value_currency": null, "field_confidence": {"country": 1.0, "currency": 1.0, "denomination": 1.0, "series_name": 1.0, "series_year": 1.0, "issue_year": 1.0, "issuer": 1.0, "signatures": 0.7, "printer": 1.0, "material": 1.0, "dimensions_mm": 1.0, "watermark": 1.0, "portrait_subject": 1.0, "reverse_subject": 1.0, "pick_number": 1.0, "serial_number": 1.0, "front_description": 1.0, "back_description": 1.0, "historical_notes": 1.0, "condition_grade": 0.9}, "overall_confidence": 0.97, "flags": []}

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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:21:40
prompt_version: research:v2
raw_response:
  {
    "country": "Germany",
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    "historical_notes": "This 100 Mark note belongs to the Reichsbanknote series issued during the early Weimar Republic period, printed on November 1, 1920. This was the beginning phase of the catastrophic hyperinflation that would devastate the German economy from 1921-1923. The Papiermark, which had been introduced in 1914 to replace the pre-war Goldmark, rapidly depreciated during and after World War I. By 1923, the currency had become virtually worthless, with trillion-mark notes being issued. The Papiermark was finally replaced by the Rentenmark in November 1923 at a rate of 1 trillion Papiermark to 1 Rentenmark, ending the hyperinflation. The Reichsdruckerei (Reich Printing Office) in Berlin produced these notes in massive quantities during this period.",
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  }

parsed_json:
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field_confidence:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:21:50
prompt_version: research:v2
raw_response:
  {
    "country": "Germany",
    "currency": "Papiermark",
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    "front_description": "Reichsbanknote 500 Mark from the hyperinflationary period of Weimar Germany, dated 7 July 1922. The note features the Reichsadler (Imperial Eagle) seal of the Reichsbank in two roundels flanking four signatures representing the Reichsbankdirektorium. The Gothic Fraktur text states that the Reichshauptkasse in Berlin pays the bearer and that from 1 April 1923 the note can be recalled and exchanged for other legal tender. This simple design reflects the emergency mass production of currency during the accelerating hyperinflation that would ultimately destroy the Papiermark.",
    "back_description": "Plain reverse with no printed design, showing only the paper substrate with visible aging, staining, and wear. The blank back was a cost-saving measure during the hyperinflationary crisis when the Reichsbank was printing billions of marks daily to meet demand.",
    "historical_notes": "This 500 Mark note belongs to the Reichsbanknote series issued during the Weimar Republic's catastrophic hyperinflation of 1922-1923. Dated 7 July 1922, it was printed during the accelerating phase of the crisis when the Mark was rapidly losing value against foreign currencies. By late 1923, trillion-mark notes would be issued. The inscription regarding recall from 1 April 1923 reflects attempts to manage the currency chaos. The hyperinflation was finally ended in November 1923 with the introduction of the Rentenmark at a rate of 1 Rentenmark = 1 trillion Papiermark. These notes are historically significant as tangible evidence of one of history's most severe monetary collapses, but remain relatively common due to the enormous quantities printed.",
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field_confidence:
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provider: research:openai
model: gpt-4o
status: ok
created_at: 2026-05-09 00:22:00
prompt_version: research:v2
raw_response:
  {
    "country": "Germany",
    "currency": "Mark",
    "denomination": "20",
    "series_year": "1910",
    "series_name": "Reichsbanknote series",
    "series_range": "1906-1914",
    "issue_year": "1910",
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    "legal_status": "demonetized",
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    "predecessor_currency": "Gulden",
    "successor_currency": "Rentenmark",

    "issuer": "Reichsbank",
    "issuer_native": "Reichsbank",
    "signatures": "Reichsbankdirektorium: Three signatures visible but illegible in image",
    "printer": "Reichsdruckerei",
    "engraver": null,

    "material": "paper",
    "dimensions_mm": "185x110",
    "watermark": "Denomination and decorative pattern visible in clear areas",
    "security_features": "intaglio,microprint",
    "color_palette": "#8b7355,#d2691e,#2f4f4f",

    "portrait_subject": null,
    "reverse_subject": "Geometric guilloche pattern",
    "themes": "statesman",
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    "pick_number": "P-40b",
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    "front_description": "Imperial German Reichsbanknote issued under Kaiser Wilhelm II. The note features the Imperial German Eagle (Reichsadler) at right within an ornate rosette, with elaborate guilloche patterns at left and bottom corners. The text states this 20 Mark note is payable by the Reichsbank main office in Berlin without legitimation verification to the bearer. Dated Berlin, 21 April 1910, bearing the heading 'Reichsbanknote' in ornate Gothic script and signed by the Reichsbankdirektorium. The serial number E7790582 appears in red on both left and right margins.",
    "back_description": "Geometric guilloche pattern featuring an elaborate rosette design with interlocking circular motifs in brown and orange ink. The denomination '20' appears prominently at center within concentric circular bands containing repeated text 'ZWANZIG MARK'. The serial number E7790582 is repeated in red at top and bottom. Fine microtext legal warnings appear vertically along both left and right margins regarding counterfeiting penalties.",
    "historical_notes": "This note belongs to the Reichsbanknote series issued by the German Empire's Reichsbank from 1906 to 1914, during the reign of Kaiser Wilhelm II. These notes were the standard circulating currency of Imperial Germany before World War I. The 1910 issue date places it in the late Wilhelmine period of economic prosperity. Following Germany's defeat in WWI and the hyperinflation of the early 1920s, these notes were demonetized in 1924 with the currency reform that introduced the Reichsmark. The elaborate guilloche work and Gothic typography are characteristic of German banknote design of this period, emphasizing security through complex engraving rather than later technologies.",
    "language_script": "Latin (Fraktur)",
    "languages": "de",

    "serial_number": "E7790582",
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    "condition_grade": "VF",
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    "estimated_value_low": null,
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    "field_confidence": {
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    "flags": []
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provider: research:anthropic
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