Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 888143 search inquires.

Selected title: Breen-Gillio

Explanation: Numbering system base on the book on California fraction gold coins by Walter Breen and Ron Gillio titled California Pioneer Fraction Gold

Most popular coin titles

Definition	Searches	Percentage
Specimen Proof (SP-70 or PF-70)	53432	14.32%
Silver Clad	30685	8.23%
Coin Silver	22709	6.09%
Slabbed Coins	21552	5.78%
BN	20959	5.62%
Encapsulated Coin	20390	5.47%
RB	19363	5.19%
Deep Cameo (DC or DCAM)	16738	4.49%
PF (PF60, PF70)	16298	4.37%
Reeded Edge	15487	4.15%
Ultra Cameo (UCAM)	15433	4.14%
PQ	14235	3.82%
MS (MS60-MS70)	14095	3.78%
PR (PR60, PR70)	14060	3.77%
Rarity	13827	3.71%
Incuse	13140	3.52%
High Relief	12972	3.48%
Coin drop	12956	3.47%
Reverse Cameo	12394	3.32%
Obverse or Face side	12260	3.29%