Category Archives: tool marks

Counterfeit Coin Detection: 1880-CC Morgan Dollar

This fake is mostly copper, but even if you didn’t know that, there are other red flags   By Numismatic Guaranty Company (NGC) …… The 1880-CC Morgan Dollar had a mintage of slightly under half a million. The NGC Price Guide indicates that even heavily circulated examples are worth at least $100 USD, with expected […]

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Counterfeit Detection – Die Struck Counterfeit 1916-D Mercury Dime

1916-D Counterfeit Mercury Dime By Numismatic Guaranty Corporation …… Skillful identification of counterfeit coins is essential to the hobby. Numismatic Guaranty Corporation (NGC) recently received a die struck copy of an important coin that bore tooling marks, a telltale sign of counterfeit efforts. Read on for more details. It is very easy for authenticators to […]

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Counterfeit Coin Detection – 1915-S Panama-Pacific Half Dollar

By Max Spiegel, Numismatic Guaranty Corporation (NGC) ……… Tool marks, soft design details and dull surfaces help NGC graders identify a counterfeit coins, in this case a  1915-S Panama-Pacific Half Dollar. This year marks the 100th anniversary of the Panama-Pacific Exposition, which was held in San Francisco in 1915 to celebrate the opening of the Panama […]

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Counterfeit Detection – Die Struck Counterfeit 1916-D Mercury Dime

1916-D Counterfeit Mercury Dime By Numismatic Guaranty Corporation …… Skillful identification of counterfeit coins is essential to the hobby. Numismatic Guaranty Corporation (NGC) recently received a die struck copy of an important coin that bore tooling marks, a telltale sign of counterfeit efforts. Read on for more details. It is very easy for authenticators to […]

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Counterfeit Coin Detection: 1915-S Panama-Pacific Half Dollar

By Max Spiegel, NGC ……… Tool marks, soft design details and dull surfaces help NGC graders identify a counterfeit coins, in this case a  1915-S Panama-Pacific Half Dollar. This year marks the 100th anniversary of the Panama-Pacific Exposition, which was held in San Francisco in 1915 to celebrate the opening of the Panama Canal a year […]

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