Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 529210 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) 33063  13.86%
Silver Clad 24625  10.33%
BN 15306  6.42%
Encapsulated Coin 14711  6.17%
RB 13398  5.62%
Slabbed Coins 13074  5.48%
Coin Silver 11208  4.70%
Deep Cameo (DC or DCAM) 11148  4.67%
Reeded Edge 10459  4.39%
Ultra Cameo (UCAM) 10307  4.32%
PF (PF60, PF70) 10065  4.22%
PQ 8938  3.75%
MS (MS60-MS70) 8935  3.75%
PR (PR60, PR70) 8510  3.57%
High Relief 8375  3.51%
Obverse or Face side 7974  3.34%
Incuse 7391  3.10%
Rarity 7279  3.05%
Reverse Cameo 6901  2.89%
Brilliant Uncirculated (BU) 6811  2.86%