Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1051540 search inquires.

Selected title: Machine Doubling
Explanation: Doubling of details resulting from loose dies during striking (generally considered to have no numismatic value)

Most popular coin titles

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 55417 13.56%
Silver Clad 32335 7.91%
Coin Silver 24424 5.97%
Slabbed Coins 23340 5.71%
BN 22914 5.60%
Encapsulated Coin 21918 5.36%
RB 21365 5.23%
Deep Cameo (DC or DCAM) 18389 4.50%
PF (PF60, PF70) 18105 4.43%
Reeded Edge 17176 4.20%
Ultra Cameo (UCAM) 17013 4.16%
Rarity 16128 3.95%
PR (PR60, PR70) 16099 3.94%
PQ 15921 3.89%
MS (MS60-MS70) 15670 3.83%
Incuse 14970 3.66%
Coin drop 14735 3.60%
High Relief 14597 3.57%
Reverse Cameo 14277 3.49%
Obverse or Face side 14023 3.43%