Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 200587 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) 11899  12.24%
Silver Clad 10413  10.71%
BN 7802  8.02%
Encapsulated Coin 6094  6.27%
Ultra Cameo (UCAM) 5369  5.52%
RB 5127  5.27%
Deep Cameo (DC or DCAM) 5101  5.25%
Reeded Edge 4462  4.59%
Obverse or Face side 4418  4.54%
Coin Silver 4216  4.34%
PF (PF60, PF70) 4067  4.18%
PR (PR60, PR70) 3938  4.05%
Reverse Cameo 3484  3.58%
MS (MS60-MS70) 3459  3.56%
PQ 3404  3.50%
Brilliant Uncirculated (BU) 3012  3.10%
Clad Coinage 2932  3.02%
Deep Mirror Prooflike (DPML) 2766  2.84%
High Relief 2660  2.74%
Flyspecks 2574  2.65%