Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 560193 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) 34522 13.81%
Silver Clad 25389 10.16%
BN 15770 6.31%
Encapsulated Coin 15215 6.09%
RB 14124 5.65%
Slabbed Coins 13997 5.60%
Coin Silver 11806 4.72%
Deep Cameo (DC or DCAM) 11596 4.64%
Reeded Edge 10943 4.38%
PF (PF60, PF70) 10750 4.30%
Ultra Cameo (UCAM) 10696 4.28%
PQ 9455 3.78%
MS (MS60-MS70) 9435 3.77%
PR (PR60, PR70) 9044 3.62%
High Relief 8825 3.53%
Obverse or Face side 8243 3.30%
Incuse 8143 3.26%
Rarity 7692 3.08%
Reverse Cameo 7176 2.87%
Brilliant Uncirculated (BU) 7131 2.85%