Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 207774 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) 12669  12.56%
Silver Clad 10786  10.70%
BN 8035  7.97%
Encapsulated Coin 6360  6.31%
Ultra Cameo (UCAM) 5516  5.47%
RB 5363  5.32%
Deep Cameo (DC or DCAM) 5273  5.23%
Reeded Edge 4598  4.56%
Obverse or Face side 4483  4.45%
Coin Silver 4367  4.33%
PF (PF60, PF70) 4219  4.18%
PR (PR60, PR70) 4067  4.03%
MS (MS60-MS70) 3557  3.53%
Reverse Cameo 3554  3.52%
PQ 3534  3.50%
Brilliant Uncirculated (BU) 3074  3.05%
Clad Coinage 3019  2.99%
Deep Mirror Prooflike (DPML) 2845  2.82%
High Relief 2796  2.77%
Flyspecks 2622  2.60%