Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 259794 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) 17551 13.83%
Silver Clad 14101 11.11%
BN 9594 7.56%
Encapsulated Coin 8164 6.43%
RB 7015 5.53%
Deep Cameo (DC or DCAM) 6525 5.14%
Ultra Cameo (UCAM) 6446 5.08%
Reeded Edge 5518 4.35%
Coin Silver 5396 4.25%
PF (PF60, PF70) 5195 4.09%
Obverse or Face side 5012 3.95%
PR (PR60, PR70) 4858 3.83%
PQ 4473 3.52%
MS (MS60-MS70) 4374 3.45%
Reverse Cameo 4099 3.23%
High Relief 4073 3.21%
Slabbed Coins 3939 3.10%
Clad Coinage 3618 2.85%
Brilliant Uncirculated (BU) 3560 2.80%
Deep Mirror Prooflike (DPML) 3395 2.67%