Numismatic Guaranty Company (NGC) is the world’s premier third-party coin grading service, renowned for its unwavering dedication to accuracy, consistency, and integrity since its establishment in 1987. Over the years, NGC has graded more than 60 million coins, tokens, and medals, each certified by the industry's most robust guarantee, instilling confidence among collectors and dealers alike.

With a team of over 30 full-time expert graders, NGC employs stringent procedures to ensure the impartiality and accuracy of every grading assignment. The company has invested significantly in developing advanced holders that preserve coins for the long term—trusted even by prestigious institutions like the Smithsonian.

As part of its extensive services, NGC offers a variety of tools including price guides, grading designations, and conservation options. It is proud to be the official grading service for esteemed organizations like the American Numismatic Association. Collectors can easily submit their coins for grading and track their collections through the NGC Registry, enhancing their numismatic experience.