Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 969825 search inquires.

Selected title: Cud
Explanation: A raised lump of metal on a coin caused by a piece of a die having broken off; When a coin is struck by a broken die, the place where the die is broken or missing will often show up as extra metal on the surface of a coin. This extra piece of metal or 'cud' can be from a piece of the die being missing or a still intact, but moved

Most popular coin titles

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 54695  13.82%
Silver Clad 31721  8.01%
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Slabbed Coins 22674  5.73%
BN 22230  5.62%
Encapsulated Coin 21380  5.40%
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Deep Cameo (DC or DCAM) 17821  4.50%
PF (PF60, PF70) 17461  4.41%
Reeded Edge 16550  4.18%
Ultra Cameo (UCAM) 16500  4.17%
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Rarity 15274  3.86%
PR (PR60, PR70) 15179  3.84%
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Obverse or Face side 13338  3.37%