Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1043846 search inquires.

Selected title: Alteration
Explanation: The tampering with a feature of a coin's surface such as the date, mint mark, etc. to give it the appearance of being another date, mint mark or variety; Intentional modification of a coin after the minting process. An illegal practice

Most popular coin titles

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 55345 13.58%
Silver Clad 32265 7.91%
Coin Silver 24355 5.97%
Slabbed Coins 23286 5.71%
BN 22859 5.61%
Encapsulated Coin 21868 5.36%
RB 21321 5.23%
Deep Cameo (DC or DCAM) 18336 4.50%
PF (PF60, PF70) 18048 4.43%
Reeded Edge 17112 4.20%
Ultra Cameo (UCAM) 16965 4.16%
Rarity 16049 3.94%
PR (PR60, PR70) 16043 3.94%
PQ 15864 3.89%
MS (MS60-MS70) 15615 3.83%
Incuse 14926 3.66%
Coin drop 14663 3.60%
High Relief 14540 3.57%
Reverse Cameo 14226 3.49%
Obverse or Face side 13964 3.43%