263GERMANY.
Hamburg,
Silver Medal n. d. (1696).
Estimate: 2.000 CHF

396GERMANY.
Saxony-Jena,
Taler 1678.
Estimate: 8.000 CHF

714KOREA.
Amulet n. d. (19th cent.).
Estimate: 5.000 CHF

789NORWAY.
Christian IV,
Speciedaler 1646.
Estimate: 4.000 CHF

823RDR / AUSTRIA.
Leopold I,
10 Ducats 1668 KB.
Estimate: 120.000 CHF

1058USA.
50 Dollars 1915 S.
Estimate: 40.000 CHF

1429SWITZERLAND.
Lucerne,
5 Ducats 1741.
Estimate: 50.000 CHF

1571SWITZERLAND.
Zurich,
4 Ducats 1624.
Estimate: 15.000 CHF

2360SWITZERLAND.
Solothurn,
Gold Medal 1890.
Estimate: 7.500 CHF

3696SWITZERLAND.
Zurich,
1/2 Taler 1773.
Estimate: 6.000 CHF
Archive: People and Markets

How the Romans Made Counterfeits

Counterfeits have been around in ancient Roman times, too. Romans made counterfeit cast coins from a copper-tin alloy. The alloy imitates the appearance of real silver coins. In an interdisciplinary research project at the University of Tübingen (Germany), the production process of these counterfeits has been successfully reconstructed for the first time.

The steps involved ranged from pressing coins into clay moulds to imprint the shape of the coin, to melting the components of the alloy up to the actual casting process. Thanks to the results of the experimental project, we can now better understand the phenomenon of counterfeit coins in the Roman Empire.

PD Dr. Stefan Krmnicek provides his numismatic perspective to the interdisciplinary project.

PD Dr. Stefan Krmnicek provides his numismatic perspective to the interdisciplinary project.

The interdisciplinary team consists of:

  • Alexander Zimmermann of Schmiede und Schlosserei Zimmermann (a blacksmith’s workshop), Pliezhausen,
  • Annette Flicker and Dr. Christoph Berthold of the Competence Center Archaeometry- Baden-Wuerttemberg CCA-BW, University of Tübingen, and
  • Rebecca Sandbichler, Mona Hähnle and PD Dr. Stefan Krmnicek from the Institute of Classical Archaeology, University of Tübingen

The work was documented on film. The result can be seen on the official YouTube channel of the University of Tübingen. The video is in German, but has professional English subtitles.

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