Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1095185 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) 55832 13.32%
Silver Clad 32742 7.81%
Coin Silver 24799 5.92%
Slabbed Coins 23721 5.66%
BN 23307 5.56%
Encapsulated Coin 22244 5.31%
RB 21743 5.19%
PF (PF60, PF70) 18720 4.47%
Deep Cameo (DC or DCAM) 18718 4.47%
Reeded Edge 17552 4.19%
Ultra Cameo (UCAM) 17358 4.14%
Obverse or Face side 16826 4.01%
PR (PR60, PR70) 16632 3.97%
Rarity 16575 3.95%
PQ 16293 3.89%
MS (MS60-MS70) 16005 3.82%
Incuse 15315 3.65%
Coin drop 15136 3.61%
High Relief 14950 3.57%
Reverse Cameo 14676 3.50%