Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 860584 search inquires.

Selected title: Friction
Explanation: A frontiersman might rub two sticks together and the result is a fire. The rubbing of a coin can result in a wear on its surface. Typically, friction causes various degrees of noticeable wear and results in lowering the desire (and value) of a coin. Friction can be caused by a coin sliding in a holder, coin drawer, or even by a good intending collector who tries to 'clean' the coin

Most popular coin titles

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 52736 14.53%
Silver Clad 30204 8.32%
Coin Silver 22206 6.12%
Slabbed Coins 21073 5.81%
BN 20438 5.63%
Encapsulated Coin 19934 5.49%
RB 18856 5.20%
Deep Cameo (DC or DCAM) 16238 4.47%
PF (PF60, PF70) 15736 4.34%
Reeded Edge 15002 4.13%
Ultra Cameo (UCAM) 14960 4.12%
PQ 13777 3.80%
MS (MS60-MS70) 13654 3.76%
PR (PR60, PR70) 13610 3.75%
Rarity 13246 3.65%
Incuse 12647 3.48%
High Relief 12536 3.45%
Coin drop 12373 3.41%
Reverse Cameo 11892 3.28%
Obverse or Face side 11791 3.25%