Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 230683 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) 15114  13.46%
Silver Clad 12066  10.75%
BN 8784  7.83%
Encapsulated Coin 7194  6.41%
RB 6110  5.44%
Ultra Cameo (UCAM) 5969  5.32%
Deep Cameo (DC or DCAM) 5745  5.12%
Reeded Edge 5006  4.46%
Coin Silver 4793  4.27%
Obverse or Face side 4670  4.16%
PF (PF60, PF70) 4660  4.15%
PR (PR60, PR70) 4434  3.95%
PQ 3969  3.54%
MS (MS60-MS70) 3944  3.51%
Reverse Cameo 3783  3.37%
High Relief 3307  2.95%
Clad Coinage 3287  2.93%
Brilliant Uncirculated (BU) 3259  2.90%
Slabbed Coins 3079  2.74%
Deep Mirror Prooflike (DPML) 3059  2.73%