Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 185916 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) 10639  11.81%
Silver Clad 9783  10.86%
BN 7235  8.03%
Encapsulated Coin 5525  6.13%
Ultra Cameo (UCAM) 5025  5.58%
Deep Cameo (DC or DCAM) 4777  5.30%
RB 4681  5.19%
Obverse or Face side 4284  4.75%
Reeded Edge 4091  4.54%
Coin Silver 3946  4.38%
PF (PF60, PF70) 3704  4.11%
PR (PR60, PR70) 3694  4.10%
Reverse Cameo 3324  3.69%
MS (MS60-MS70) 3198  3.55%
PQ 3070  3.41%
Brilliant Uncirculated (BU) 2891  3.21%
Clad Coinage 2770  3.07%
Deep Mirror Prooflike (DPML) 2609  2.90%
Flyspecks 2468  2.74%
High Relief 2357  2.62%