Coin Terminology and Glossary
The Coin Collecting Dictionary includes 546 titles used widely in the coin
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Lustre
- Explanation: The glossy mint bloom on the surface of an Uncirculated coin. Although normally brilliant, with time luster may become dull, frosty, spotted or discolored. Coin lustre is affected by wear, handling, polishing of dies or planchets, exposure to Chemicals, humidity and temperature
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