Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 572901 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

Definition	Searches	Percentage
Specimen Proof (SP-70 or PF-70)	35136	13.79%
Silver Clad	25697	10.08%
BN	15987	6.27%
Encapsulated Coin	15449	6.06%
RB	14409	5.65%
Slabbed Coins	14388	5.65%
Coin Silver	12059	4.73%
Deep Cameo (DC or DCAM)	11781	4.62%
Reeded Edge	11128	4.37%
PF (PF60, PF70)	11113	4.36%
Ultra Cameo (UCAM)	10889	4.27%
PQ	9679	3.80%
MS (MS60-MS70)	9633	3.78%
PR (PR60, PR70)	9319	3.66%
High Relief	8971	3.52%
Incuse	8437	3.31%
Obverse or Face side	8356	3.28%
Rarity	7858	3.08%
Reverse Cameo	7288	2.86%
Brilliant Uncirculated (BU)	7275	2.85%