Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 402108 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) 26583 14.02%
Silver Clad 20991 11.07%
BN 12998 6.86%
Encapsulated Coin 11999 6.33%
RB 10687 5.64%
Deep Cameo (DC or DCAM) 9244 4.88%
Slabbed Coins 8920 4.71%
Coin Silver 8527 4.50%
Ultra Cameo (UCAM) 8516 4.49%
Reeded Edge 8286 4.37%
PF (PF60, PF70) 7678 4.05%
PQ 6943 3.66%
PR (PR60, PR70) 6797 3.59%
MS (MS60-MS70) 6625 3.49%
Obverse or Face side 6592 3.48%
High Relief 6578 3.47%
Reverse Cameo 5601 2.95%
Rarity 5511 2.91%
Brilliant Uncirculated (BU) 5336 2.81%
Clad Coinage 5117 2.70%