Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 216730 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) 13500  12.85%
Silver Clad 11226  10.69%
BN 8360  7.96%
Encapsulated Coin 6679  6.36%
Ultra Cameo (UCAM) 5694  5.42%
RB 5638  5.37%
Deep Cameo (DC or DCAM) 5471  5.21%
Reeded Edge 4763  4.53%
Obverse or Face side 4544  4.33%
Coin Silver 4531  4.31%
PF (PF60, PF70) 4404  4.19%
PR (PR60, PR70) 4230  4.03%
PQ 3713  3.54%
MS (MS60-MS70) 3702  3.52%
Reverse Cameo 3631  3.46%
Brilliant Uncirculated (BU) 3145  2.99%
Clad Coinage 3134  2.98%
High Relief 2992  2.85%
Deep Mirror Prooflike (DPML) 2927  2.79%
Flyspecks 2686  2.56%