Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 550411 search inquires.

Selected term: Flyspecks
Explanation: Minute oxidation spots often seen on the surfaces of coins, particularly higher grade copper and nickel coins, caused by exposure to small drops of moisture

Most popular coin terms

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 34012 13.82%
Silver Clad 25163 10.23%
BN 15622 6.35%
Encapsulated Coin 15034 6.11%
RB 13856 5.63%
Slabbed Coins 13645 5.55%
Coin Silver 11602 4.72%
Deep Cameo (DC or DCAM) 11435 4.65%
Reeded Edge 10775 4.38%
Ultra Cameo (UCAM) 10551 4.29%
PF (PF60, PF70) 10523 4.28%
MS (MS60-MS70) 9288 3.77%
PQ 9265 3.77%
PR (PR60, PR70) 8829 3.59%
High Relief 8693 3.53%
Obverse or Face side 8154 3.31%
Incuse 7874 3.20%
Rarity 7556 3.07%
Reverse Cameo 7079 2.88%
Brilliant Uncirculated (BU) 7022 2.85%