Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 997687 search inquires.

Selected 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) 54920  13.72%
Silver Clad 31927  7.97%
Coin Silver 24001  5.99%
Slabbed Coins 22912  5.72%
BN 22475  5.61%
Encapsulated Coin 21563  5.38%
RB 20887  5.22%
Deep Cameo (DC or DCAM) 18005  4.50%
PF (PF60, PF70) 17701  4.42%
Reeded Edge 16758  4.19%
Ultra Cameo (UCAM) 16674  4.16%
PR (PR60, PR70) 15705  3.92%
PQ 15533  3.88%
Rarity 15533  3.88%
MS (MS60-MS70) 15298  3.82%
Incuse 14587  3.64%
Coin drop 14304  3.57%
High Relief 14224  3.55%
Reverse Cameo 13860  3.46%
Obverse or Face side 13538  3.38%