Portrait of Czesław Jan Bojarski

Photo: Commissariat de Police · Public domain

Born in Poland · Nationality Polish — Counterfeit currency / engineering

Czesław Jan Bojarski

Also known as: Jan Bojarski, Czeslaw Bojarski, Czesław Bojarski

Updated on

Polish-born engineer born in 1912, convicted in France for counterfeiting banknotes.

Czesław Jan Bojarski, also known as Jan Bojarski, secretly manufactured French banknotes of unusually high quality. Arrested in January 1964, he was tried with two distributors and sentenced to twenty years’ imprisonment in May 1966. His techniques and the losses suffered by the Bank of France drew significant contemporary attention.

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Portrait of Czesław Jan Bojarski

Photo: Commissariat de Police · Public domain

3Documented controversies
3Sources
1 followed by a conviction

I. Documented controversies

Case · 3 documented stages

May 1966: Trial before the Seine assize court

Criminal conviction
01

12–14 May 1966

May 1966: Trial before the Seine assize court

Criminal conviction

The Seine assize court heard evidence about the counterfeit notes, equipment and two intermediaries. Prosecutors sought life imprisonment. The defense argued mitigating circumstances should be taken into account.

State of the evidence
Trial proceedings, prosecution request and defense submissions reported.
Legal status — source text
A criminal conviction remains on record.
Attribution
Manufacturing and circulating counterfeit notes.

Sources · 3

  1. [1]
    Le MondeCZESLAW BOJARSKI COMPARAIT DEVANT LES ASSISES DE LA SEINE13 May 1966MediaHigh reliability
  2. [2]
    Le MondeBojarski, faussaire exceptionnel14 May 1966MediaHigh reliability
  3. [3]

Last verified: 11 November 2026

Add to this entryAny news?

02

14 May 1966

14 May 1966: Twenty-year prison sentence

Criminal conviction

The court sentenced Czesław Bojarski to twenty years’ imprisonment. Alexis Chouvaloff received a five-year suspended sentence, and Antoine Dowgierd was exempted from punishment. The sentence featured prominently in contemporary accounts.

State of the evidence
Verdict, sentence and co-defendants’ outcomes explicitly documented.
Legal status — source text
A criminal conviction remains on record.
Attribution
Criminal liability for the counterfeit-currency operation tried in 1966.

Sources · 3

  1. [1]
  2. [2]
    Le MondeCZESLAW BOJARSKI COMPARAIT DEVANT LES ASSISES DE LA SEINE13 May 1966MediaHigh reliability
  3. [3]
    Le MondeBojarski, faussaire exceptionnel14 May 1966MediaHigh reliability

Last verified: 11 November 2026

Add to this entryAny news?

03

1949–January 1964

1949–1964: Production of several series of forged banknotes

Criminal conviction

For nearly fifteen years Bojarski made counterfeit 1,000-old-franc and 5,000-old-franc notes and, later, Bonaparte 100-franc notes. The 1966 trial described how he developed much of the equipment himself.

State of the evidence
Counterfeiting and note types documented by trial reporting and archival coverage.
Legal status — source text
A criminal conviction remains on record.
Attribution
Covert manufacture of counterfeit French currency.

Sources · 3

  1. [1]
    Le MondeCZESLAW BOJARSKI COMPARAIT DEVANT LES ASSISES DE LA SEINE13 May 1966MediaHigh reliability
  2. [2]
    Le MondeBojarski, faussaire exceptionnel14 May 1966MediaHigh reliability
  3. [3]

Last verified: 11 November 2026

Add to this entryAny news?

II. Constellation of documented links

No documented link with another published profile for now.

Two profiles are linked when a documented controversy of one names the other. The link points to that controversy and its sources; it does not indicate a personal relationship.

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Controversia profile, updated 11 November 2026. Latest version: https://controversia.info/en/fiche/czes-aw-jan-bojarski

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