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.
T after Grade on NGC Labels
In the early 2000s, NGC trialed adding a "T" after the numerical grade on a label to denote that the coin is toned. This was discontinued after a short period, and there are collectors specifically looking for coins graded by NGC with the "T" showing (as well as "W" for coins without toning). These appear in GreatCollections auctions on a regular basis.
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