Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1142347 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) 56228 13.18%
Silver Clad 33111 7.76%
Coin Silver 25205 5.91%
Slabbed Coins 24117 5.65%
BN 23659 5.54%
Encapsulated Coin 22603 5.30%
RB 22120 5.18%
PF (PF60, PF70) 19096 4.48%
Deep Cameo (DC or DCAM) 19016 4.46%
Reeded Edge 17924 4.20%
Ultra Cameo (UCAM) 17712 4.15%
PR (PR60, PR70) 17134 4.02%
Obverse or Face side 17127 4.01%
Rarity 17029 3.99%
PQ 16652 3.90%
MS (MS60-MS70) 16319 3.82%
Incuse 15687 3.68%
Coin drop 15564 3.65%
High Relief 15299 3.59%
Reverse Cameo 15058 3.53%