Numismatic Guaranty Company

Numismatic Guaranty Company
Company typePrivate
IndustryCollectibles
Founded1987, Parsippany, New Jersey
HeadquartersSarasota, Florida
Area served
Worldwide
ServicesCoin certification
ParentCertified Collectibles Group, owned by Blackstone Inc
Websitewww.ngccoin.com

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. NGC certification consists of authentication, grading, attribution, and encapsulation in clear plastic holders. NGC is a subsidiary of Certified Collectibles Group (CCG), which owns six collectible certification services and is in turn owned by Blackstone, a multibillion-dollar New York City hedge fund.[1]

  1. ^ "Blackstone Tactical Opportunities to Acquire the Certified Collectibles Group, a Leading Provider of Tech-Enabled Authentication, Grading, and Conservation Services for the Global Collectibles Industry". Archived from the original on 2022-07-12. Retrieved 2022-07-12.