Numismatic Guaranty Corporation
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Headquarters | Sarasota |
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Florida | |
United States | |
Founded | 1987 |
Type of business | Privately held company |
Date of Reg. | |
Date of Upd. | |
ID | 1092114 |
About Numismatic Guaranty Corporation
Numismatic Guaranty Corporation is a privately owned, international coin certification service based in Sarasota, Florida. It has certified more than 35 million coins. NGC certification consists of authentication, grading, attribution, and encapsulation in clear plastic holders.