Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 243885 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) 16314 13.68%
Silver Clad 13050 10.94%
BN 9211 7.72%
Encapsulated Coin 7647 6.41%
RB 6556 5.50%
Ultra Cameo (UCAM) 6200 5.20%
Deep Cameo (DC or DCAM) 6109 5.12%
Reeded Edge 5228 4.38%
Coin Silver 5051 4.24%
PF (PF60, PF70) 4909 4.12%
Obverse or Face side 4823 4.04%
PR (PR60, PR70) 4631 3.88%
PQ 4213 3.53%
MS (MS60-MS70) 4139 3.47%
Reverse Cameo 3928 3.29%
High Relief 3638 3.05%
Slabbed Coins 3477 2.92%
Clad Coinage 3450 2.89%
Brilliant Uncirculated (BU) 3390 2.84%
Deep Mirror Prooflike (DPML) 3206 2.69%