In the U.S., two main organizations, the Professional Coin Grading Service (PCGS) and Numismatic Guaranty Corporation (NGC), evaluate coins using the Sheldon Scale to assign a numerical rating, from 1 ...

To improve grading accuracy and consistency, professional grading services like PCGS (Professional Coin Grading Service) and NGC (Numismatic Guaranty Corporation) employ trained graders and utilize a ...

No, it appears that this type of classification has coin prices to be inflated because of the First Strike. Folks who don’t submit for a First Strike and receive top grading lose out and might even ...

PCGS certifies a newly unearthed 1652 Massachusetts Bay Colony threepence, one of the few known examples of this early ...