Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 435857 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) 28392  13.91%
Silver Clad 22211  10.88%
BN 13795  6.76%
Encapsulated Coin 12808  6.27%
RB 11543  5.65%
Slabbed Coins 10207  5.00%
Deep Cameo (DC or DCAM) 9818  4.81%
Coin Silver 9419  4.61%
Ultra Cameo (UCAM) 9043  4.43%
Reeded Edge 8909  4.36%
PF (PF60, PF70) 8328  4.08%
PQ 7488  3.67%
PR (PR60, PR70) 7292  3.57%
MS (MS60-MS70) 7244  3.55%
High Relief 7111  3.48%
Obverse or Face side 6995  3.43%
Rarity 6042  2.96%
Reverse Cameo 6020  2.95%
Brilliant Uncirculated (BU) 5780  2.83%
Clad Coinage 5615  2.75%