PCGS (Professional Coin Grading Service)

PCGS (Professional Coin Grading Service) is the world's leading third-party coin grading, authentication, and encapsulation service, founded in 1985 and beginning operations in 1986. With over 42.5 million coins graded and valued at more than $36 billion, PCGS sets the standard for numismatic certification in the U.S. and internationally. The company also offers CoinFacts, population reports, and a Set Registry program serving hundreds of thousands of collectors worldwide.