Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 471331 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) 30187 13.88%
Silver Clad 23134 10.64%
BN 14414 6.63%
Encapsulated Coin 13632 6.27%
RB 12277 5.65%
Slabbed Coins 11381 5.23%
Deep Cameo (DC or DCAM) 10359 4.76%
Coin Silver 10178 4.68%
Ultra Cameo (UCAM) 9521 4.38%
Reeded Edge 9501 4.37%
PF (PF60, PF70) 8973 4.13%
PQ 8014 3.69%
MS (MS60-MS70) 7916 3.64%
PR (PR60, PR70) 7764 3.57%
High Relief 7639 3.51%
Obverse or Face side 7371 3.39%
Rarity 6504 2.99%
Reverse Cameo 6345 2.92%
Brilliant Uncirculated (BU) 6198 2.85%
Clad Coinage 6056 2.79%