Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1111230 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) 55969  13.27%
Silver Clad 32872  7.79%
Coin Silver 24926  5.91%
Slabbed Coins 23861  5.66%
BN 23432  5.56%
Encapsulated Coin 22371  5.30%
RB 21871  5.19%
PF (PF60, PF70) 18853  4.47%
Deep Cameo (DC or DCAM) 18824  4.46%
Reeded Edge 17678  4.19%
Ultra Cameo (UCAM) 17488  4.15%
Obverse or Face side 16942  4.02%
PR (PR60, PR70) 16823  3.99%
Rarity 16722  3.96%
PQ 16415  3.89%
MS (MS60-MS70) 16118  3.82%
Incuse 15445  3.66%
Coin drop 15274  3.62%
High Relief 15061  3.57%
Reverse Cameo 14806  3.51%