NGC is the world’s largest third-party coin grading service, offering accurate, consistent and impartial assessment of a coin’s authenticity and grade.

Numismatic Guaranty Company (NGC) is an international third-party coin grading and certification service based in Sarasota, Florida. It has certified more than 60 million coins.

Known as the NGC Coin Explorer, this catalog is the most comprehensive reference for United States coins. Included are images and specifications for every U.S. coin, including mintage figures and …

Enter a coin’s certification number to confirm its description and grade in NGC’s online database.

Learn how to verify NGC certification, check coin values, and understand grading costs. Explore free NGC lookup tools, melt values, and the Sheldon grading scale for US/world coins

Jul 25, 2025 · NGC, or the Numismatic Guaranty Company, was established in 1987 to develop clear and consistent coin grading guidelines. Since then, it has grown into the largest third-party grading …

NGC offers a comprehensive range of numismatic research tools, from coin reference catalogs and price guides to NGC certification verification and grading guides.

Aug 1, 2025 · This free app includes the popular Verify NGC Certification resource, an optimized NGC Census and the latest NGC news. Simply scan the barcode on an NGC label with your phone’s …

The NGC Coin Price Guide is a complete catalog of coin values for US and World coins from 1600 to date, compiled from a variety of numismatic sources.

Sep 25, 2024 · Learn how NGC certification works, including grading costs, verification steps, and free lookup tools. Discover why NGC is the gold standard for collectors and investors.