Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 572901 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) 35136  13.79%
Silver Clad 25697  10.08%
BN 15987  6.27%
Encapsulated Coin 15449  6.06%
RB 14409  5.65%
Slabbed Coins 14388  5.65%
Coin Silver 12059  4.73%
Deep Cameo (DC or DCAM) 11781  4.62%
Reeded Edge 11128  4.37%
PF (PF60, PF70) 11113  4.36%
Ultra Cameo (UCAM) 10889  4.27%
PQ 9679  3.80%
MS (MS60-MS70) 9633  3.78%
PR (PR60, PR70) 9319  3.66%
High Relief 8971  3.52%
Incuse 8437  3.31%
Obverse or Face side 8356  3.28%
Rarity 7858  3.08%
Reverse Cameo 7288  2.86%
Brilliant Uncirculated (BU) 7275  2.85%