ForgeryNetwork.com, the independent forgery database to help you authenticate coins, numismatic, antiquities, stamps and collectable items. The premier site to identify forgeries, fake reproduction and counterfeit coins.

For modern coins in general circulation, the most common method of protection from forgeries is the use of bi-metallic coins made of two metals of different color, which are difficult to counterfeit at low cost.

Jun 17, 2022 · Authorities tended to ignore such forgeries, even when they enforced savage penalties against counterfeiting precious metal coins. Fourées are even older than coinage itself – plated base metal...

Feb 18, 2025 · To help collectors and dealers identify counterfeit coins, NGC has prepared lists of the most commonly counterfeited US, Chinese and world coins with diagnostic information and images from NGC’s extensive database, as well as commentary from the NGC coin grading team.

Making or possessing counterfeit dies for foreign coins.

Aug 14, 2023 · The previous installment of this column reviewed some notable characteristics of the surfaces and appearance of genuine coins. In this edition, we will consider one of the most common methods used by PCGS authentication experts to …

Some of the most prestigious dealers in the world bought large numbers of counterfeit ancient coins as authentic coins at the 1999 and 1988 New York International Numismatic Conventions, which were only later discovered to be coin forgeries.

Nov 16, 2014 · German forger Carl Wilhelm Becker is noted as one of the best at his trade. This imitation of a circa 409 to 406 B.C. silver decadrachm of Akragas, in Sicily, realized $1,840 U.S. in a...

Lower-quality fakes are often easy to detect when compared with a known good coin or a good image of a known good coin (Museum Victoria is a great source of images of known good coins; Forgery Network maintains a database of fake coins and NGC posts regular articles on new counterfeits) as minor details won't match or the coin just doesn't ...

Most ancient coins on the market today are genuine, and most dealers are knowledgeable in telling the difference. True expertise in authentication of ancient coins takes years of experience handling many thousands of genuine examples and study known fakes.