Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1038808 search inquires.

Random title: Corrosion
Explanation: Chemical reaction on the surface of a coin. Corrosion can result from a coin coming in contact with other things (chemicals) including chemicals in the air. This can come about because of things coming in contact with the coin years earlier. Corrosion damages a coins surface and is usually worse in copper, nickel, zinc, and silver coins. Some experts think that toning on the surface of a coin may help slow down this harmful process

Most popular coin titles

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 55284 13.59%
Silver Clad 32222 7.92%
Coin Silver 24318 5.98%
Slabbed Coins 23238 5.71%
BN 22809 5.61%
Encapsulated Coin 21830 5.37%
RB 21271 5.23%
Deep Cameo (DC or DCAM) 18283 4.49%
PF (PF60, PF70) 18004 4.43%
Reeded Edge 17062 4.19%
Ultra Cameo (UCAM) 16926 4.16%
PR (PR60, PR70) 15995 3.93%
Rarity 15978 3.93%
PQ 15823 3.89%
MS (MS60-MS70) 15573 3.83%
Incuse 14881 3.66%
Coin drop 14616 3.59%
High Relief 14500 3.56%
Reverse Cameo 14188 3.49%
Obverse or Face side 13921 3.42%