In addition to these tools, the Sheldon Scale, a 70-point grading system that precisely identifies a coin’s grade, is also used by the PCGS and the NGC. Using the Sheldon Scale, coin assessors can ...
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 ...
PCGS certifies a newly unearthed 1652 Massachusetts Bay Colony threepence, one of the few known examples of this early ...
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 ...