Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1043752 search inquires.

Random title: Castaing machine
Explanation: A device invented by French engineer Jean Castaing, which added the edge lettering and devices to early U.S. coins before they were struck. This machine was used until close collar dies were introduced which applied the edge device in the striking process

Most popular coin titles

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 55345  13.58%
Silver Clad 32265  7.91%
Coin Silver 24355  5.97%
Slabbed Coins 23286  5.71%
BN 22859  5.61%
Encapsulated Coin 21868  5.36%
RB 21321  5.23%
Deep Cameo (DC or DCAM) 18336  4.50%
PF (PF60, PF70) 18048  4.43%
Reeded Edge 17112  4.20%
Ultra Cameo (UCAM) 16965  4.16%
Rarity 16049  3.94%
PR (PR60, PR70) 16043  3.94%
PQ 15864  3.89%
MS (MS60-MS70) 15615  3.83%
Incuse 14926  3.66%
Coin drop 14663  3.60%
High Relief 14540  3.57%
Reverse Cameo 14226  3.49%
Obverse or Face side 13964  3.43%