Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 185916 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)	10639	11.81%
Silver Clad	9783	10.86%
BN	7235	8.03%
Encapsulated Coin	5525	6.13%
Ultra Cameo (UCAM)	5025	5.58%
Deep Cameo (DC or DCAM)	4777	5.30%
RB	4681	5.19%
Obverse or Face side	4284	4.75%
Reeded Edge	4091	4.54%
Coin Silver	3946	4.38%
PF (PF60, PF70)	3704	4.11%
PR (PR60, PR70)	3694	4.10%
Reverse Cameo	3324	3.69%
MS (MS60-MS70)	3198	3.55%
PQ	3070	3.41%
Brilliant Uncirculated (BU)	2891	3.21%
Clad Coinage	2770	3.07%
Deep Mirror Prooflike (DPML)	2609	2.90%
Flyspecks	2468	2.74%
High Relief	2357	2.62%