Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 609173 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) 36572 13.73%
Silver Clad 26328 9.88%
BN 16493 6.19%
Encapsulated Coin 15898 5.97%
Slabbed Coins 15270 5.73%
RB 14971 5.62%
Coin Silver 12540 4.71%
Deep Cameo (DC or DCAM) 12201 4.58%
PF (PF60, PF70) 11748 4.41%
Reeded Edge 11587 4.35%
Ultra Cameo (UCAM) 11328 4.25%
PQ 10106 3.79%
MS (MS60-MS70) 10017 3.76%
PR (PR60, PR70) 9842 3.69%
High Relief 9319 3.50%
Incuse 9104 3.42%
Obverse or Face side 8608 3.23%
Coin drop 8492 3.19%
Rarity 8214 3.08%
Reverse Cameo 7611 2.86%