Since 1995 NGC has been the official grading service of The American Numismatic Association, the nation’s only congressionally chartered numismatic organization. NGC is also the official grading service of The Professional Numismatists Guild, an organization of the world’s foremost experts on rare coinage.
Today NGC is one of the most respected and trusted names among rare coin experts and hobbyists alike.
At least three professional grading experts independently assess each coin and all must agree before a grade is assigned. All of NGC’s graders have commercial experience, but once hired full time they are prohibited from engaging in the exchange of rare coins to eliminate any possibility of conflict of interest.
Once a coin is authenticated and receives its grade it is then sonically sealed in NGC’s industry leading packaging. NGC introduced the security hologram and use of inert plastics and sulfur-free paper to protect coins from the corrosive air born gases and moisture inherent in the aging process of other materials as well as to deter counterfeiting.
NGC guarantees every rare gold coin it certifies for both authenticity and grade, a clear advantage over the rare coin market prior to NGC and PCGS founding. That’s why an NGC certified rare gold coin investment is as close to the ideal as you can find.