Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 435857 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)	28392	13.91%
Silver Clad	22211	10.88%
BN	13795	6.76%
Encapsulated Coin	12808	6.27%
RB	11543	5.65%
Slabbed Coins	10207	5.00%
Deep Cameo (DC or DCAM)	9818	4.81%
Coin Silver	9419	4.61%
Ultra Cameo (UCAM)	9043	4.43%
Reeded Edge	8909	4.36%
PF (PF60, PF70)	8328	4.08%
PQ	7488	3.67%
PR (PR60, PR70)	7292	3.57%
MS (MS60-MS70)	7244	3.55%
High Relief	7111	3.48%
Obverse or Face side	6995	3.43%
Rarity	6042	2.96%
Reverse Cameo	6020	2.95%
Brilliant Uncirculated (BU)	5780	2.83%
Clad Coinage	5615	2.75%