Thursday, July 16, 2015

Lathe Machining of Bronze Coin Flans

July 2015 marks the 11th anniversary of the presentation of this article, published on the Classical Coins website [ ], to the Ancient Coin Club of Los Angeles.

It explains the reasons for the central cavities or dimples noted on large bronze coins of the Ptolemaic and Roman Provincial periods. Since its initial publication, to the best of my knowledge there has been no article published challenging these conclusions. 

Many members of Moneta-L took part in the informal online and email collaboration that led to this article. Those who contributed key images are acknowledged in the text. Among these, Bart Lewis and Robert Kokotailo made especially important contributions. The article would hardly have been possible without the insights and images they and others provided, however any errors that may be found to exist in this article are entirely my own responsibility.

I have uploaded this file to the Moneta-L file archive, both in appreciation for the contributions listmembers made to it, and to ensure its long-term preservation online.

Its address in that file archive is 


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