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Detection of Counterfeit and Altered Coins
Learn the often-subtle differences between genuine, counterfeit, and altered coins. Topics will include counterfeit-coin production, types of counterfeit dies and castings, date and mintmark alterations, specific gravity testing, and Chinese-made counterfeits.

INSTRUCTORS: Brian Silliman, professional numismatist, Brian Silliman Rare Coins, and former NGC grader/conserver and ANA authenticator/conserver; and Jim Robinson, professional numismatist, APMEX

Jul 2, 2020 12:00 PM in Mountain Time (US and Canada)

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