972Germany Gold pattern thaler
of Joachim Murat, 1806.
Special Strike
Estimate: 300.000 EUR

947Roman Empire
Aureus
Probus
Estimate: 60.000 EUR

773Ancient Greece
Syracuse
decadrachm by Euainetos
Estimate: 100.000 EUR

1011Belgium
Grand écu d'or
du Brabant
PCGS MS 63
Estimate: 60.000 EUR

1054Chinese Empire,
Gold pattern dollar
Special Strike
Estimate: 200.000 EUR

1753France
Napoleon I
5 franc "République"
Gold pattern
Estimate: 150.000 EUR

1808France
Charles X
Platinium medal of the coronation
Estimate: 80.000 EUR

2122Great-Britain
Charles II
Gold Broad pattern 1660 London
Proof
Estimate: 150.000 EUR

2476Russia
Nicolas I
platinum 12 roubles 1842
NGC MS 63
Estimate: 30.000 EUR

2553USA
20 $ 1921,
Philadephia
PCGS MS 63
Estimate: 100.000 EUR
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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