Explore our inventory and elevate your collection with NGC certified U.S. rare coins.  Numismatic Guaranty Company is the world's largest third-party grading service for coins, tokens and medals. Since 1987, NGC has graded more than 60 million coins, each one backed by the industry-leading NGC Guarantee.

Explore our inventory and elevate your collection with NGC certified U.S. rare coins.  Numismatic Guaranty Company is the world's largest third-party grading service for coins, tokens and medals. Since 1987, NGC has graded more than 60 million coins, each one backed by the industry-leading NGC Guarantee.