Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 terms used widely in the coin collectors community, and has received over 529210 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)	33063	13.86%
Silver Clad	24625	10.33%
BN	15306	6.42%
Encapsulated Coin	14711	6.17%
RB	13398	5.62%
Slabbed Coins	13074	5.48%
Coin Silver	11208	4.70%
Deep Cameo (DC or DCAM)	11148	4.67%
Reeded Edge	10459	4.39%
Ultra Cameo (UCAM)	10307	4.32%
PF (PF60, PF70)	10065	4.22%
PQ	8938	3.75%
MS (MS60-MS70)	8935	3.75%
PR (PR60, PR70)	8510	3.57%
High Relief	8375	3.51%
Obverse or Face side	7974	3.34%
Incuse	7391	3.10%
Rarity	7279	3.05%
Reverse Cameo	6901	2.89%
Brilliant Uncirculated (BU)	6811	2.86%