Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 437860 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) 28505 13.91%
Silver Clad 22269 10.86%
BN 13851 6.76%
Encapsulated Coin 12861 6.27%
RB 11597 5.66%
Slabbed Coins 10297 5.02%
Deep Cameo (DC or DCAM) 9843 4.80%
Coin Silver 9464 4.62%
Ultra Cameo (UCAM) 9067 4.42%
Reeded Edge 8942 4.36%
PF (PF60, PF70) 8367 4.08%
PQ 7520 3.67%
PR (PR60, PR70) 7313 3.57%
MS (MS60-MS70) 7272 3.55%
High Relief 7154 3.49%
Obverse or Face side 7018 3.42%
Rarity 6078 2.97%
Reverse Cameo 6041 2.95%
Brilliant Uncirculated (BU) 5807 2.83%
Clad Coinage 5639 2.75%