Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 371657 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) 24964 14.10%
Silver Clad 19877 11.22%
BN 12301 6.95%
Encapsulated Coin 11202 6.33%
RB 9969 5.63%
Deep Cameo (DC or DCAM) 8674 4.90%
Ultra Cameo (UCAM) 8063 4.55%
Slabbed Coins 7936 4.48%
Coin Silver 7848 4.43%
Reeded Edge 7711 4.35%
PF (PF60, PF70) 7101 4.01%
PQ 6540 3.69%
PR (PR60, PR70) 6375 3.60%
Obverse or Face side 6237 3.52%
High Relief 6102 3.45%
MS (MS60-MS70) 6073 3.43%
Reverse Cameo 5235 2.96%
Rarity 5037 2.84%
Brilliant Uncirculated (BU) 4952 2.80%
Clad Coinage 4761 2.69%