Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1049057 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) 55389  13.56%
Silver Clad 32312  7.91%
Coin Silver 24407  5.98%
Slabbed Coins 23319  5.71%
BN 22894  5.61%
Encapsulated Coin 21896  5.36%
RB 21352  5.23%
Deep Cameo (DC or DCAM) 18375  4.50%
PF (PF60, PF70) 18085  4.43%
Reeded Edge 17151  4.20%
Ultra Cameo (UCAM) 16997  4.16%
Rarity 16099  3.94%
PR (PR60, PR70) 16080  3.94%
PQ 15896  3.89%
MS (MS60-MS70) 15654  3.83%
Incuse 14958  3.66%
Coin drop 14701  3.60%
High Relief 14570  3.57%
Reverse Cameo 14259  3.49%
Obverse or Face side 14003  3.43%