The GreatCollections Coin and Paper Money Glossary
This is a popular resource that explains hundreds of coin related terms, as well as terms relating to our coin auctions. Of course, if you have questions about anything, please do not hesitate to contact us.
PCGS (Professional Coin Grading Service)
Professional Coin Grading Service (PCGS), one of the leading third-party coin grading services founded by David Hall, providing authentication, grading, and encapsulation services. They are based close to GreatCollections in Orange County, California.
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