Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1049906 search inquires.

Selected title: Key Date
Explanation: The rarest (or one of the most rare) and therefore most expensive members of a coin series, e.g. the 1909-S VDB Lincoln cent or 1916-D Mercury dime

Most popular coin titles

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 55407 13.56%
Silver Clad 32319 7.91%
Coin Silver 24413 5.98%
Slabbed Coins 23328 5.71%
BN 22901 5.61%
Encapsulated Coin 21905 5.36%
RB 21357 5.23%
Deep Cameo (DC or DCAM) 18378 4.50%
PF (PF60, PF70) 18094 4.43%
Reeded Edge 17159 4.20%
Ultra Cameo (UCAM) 17003 4.16%
Rarity 16113 3.94%
PR (PR60, PR70) 16086 3.94%
PQ 15906 3.89%
MS (MS60-MS70) 15662 3.83%
Incuse 14962 3.66%
Coin drop 14717 3.60%
High Relief 14582 3.57%
Reverse Cameo 14263 3.49%
Obverse or Face side 14011 3.43%