Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 373125 search inquires.

Selected term: Brilliant Uncirculated (BU)
Explanation: A descriptive term used to indicate an uncirculated coin that still retains a lot of the brilliant luster. Not a heavily toned coin

Most popular coin terms

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 25057 14.10%
Silver Clad 19934 11.22%
BN 12329 6.94%
Encapsulated Coin 11241 6.33%
RB 9996 5.63%
Deep Cameo (DC or DCAM) 8704 4.90%
Ultra Cameo (UCAM) 8088 4.55%
Slabbed Coins 7991 4.50%
Coin Silver 7884 4.44%
Reeded Edge 7726 4.35%
PF (PF60, PF70) 7134 4.02%
PQ 6569 3.70%
PR (PR60, PR70) 6394 3.60%
Obverse or Face side 6257 3.52%
High Relief 6122 3.45%
MS (MS60-MS70) 6104 3.44%
Reverse Cameo 5258 2.96%
Rarity 5063 2.85%
Brilliant Uncirculated (BU) 4967 2.80%
Clad Coinage 4778 2.69%