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.
Cleaned
A "cleaned" coin refers to one that has been subjected to physical or chemical processes to remove tarnish or debris, which can often diminish its numismatic value by altering its original surface characteristics.
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