Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 503527 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) 31777 13.88%
Silver Clad 23869 10.43%
BN 14912 6.51%
Encapsulated Coin 14289 6.24%
RB 12891 5.63%
Slabbed Coins 12324 5.38%
Deep Cameo (DC or DCAM) 10817 4.73%
Coin Silver 10707 4.68%
Reeded Edge 10061 4.40%
Ultra Cameo (UCAM) 9976 4.36%
PF (PF60, PF70) 9561 4.18%
PQ 8522 3.72%
MS (MS60-MS70) 8492 3.71%
PR (PR60, PR70) 8202 3.58%
High Relief 8026 3.51%
Obverse or Face side 7702 3.36%
Rarity 6934 3.03%
Incuse 6638 2.90%
Reverse Cameo 6637 2.90%
Brilliant Uncirculated (BU) 6551 2.86%