Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1004146 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) 54979 13.70%
Silver Clad 31977 7.97%
Coin Silver 24052 5.99%
Slabbed Coins 22957 5.72%
BN 22530 5.61%
Encapsulated Coin 21601 5.38%
RB 20949 5.22%
Deep Cameo (DC or DCAM) 18051 4.50%
PF (PF60, PF70) 17762 4.42%
Reeded Edge 16806 4.19%
Ultra Cameo (UCAM) 16715 4.16%
PR (PR60, PR70) 15753 3.92%
Rarity 15600 3.89%
PQ 15585 3.88%
MS (MS60-MS70) 15335 3.82%
Incuse 14630 3.64%
Coin drop 14347 3.57%
High Relief 14270 3.55%
Reverse Cameo 13916 3.47%
Obverse or Face side 13594 3.39%