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.
Grading Service
A company or organization that evaluates and grades coins based on their condition, authenticity, and other factors, providing certification and encapsulation services. The leading grading services recognized by GreatCollections include PCGS, CAC, NGC and ANACS. There are many "off-brand" or "third-rate" coin grading services which will routinely overgrade or misattribute coins; GreatCollections only offers coins from the leading grading services.
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