Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1019014 search inquires.

Selected title: Breast feathers
Explanation: The central feathers seen on numerous eagle designs. Fully struck coins usually command a premium and the breast feathers are usually the highest point of the reverse. (They are the most deeply recessed area of the die, so metal sometimes does not completely fill the breast feather area, usually because of insufficient striking pressure. Incorrectly spaced or lapped dies will also cause 'striking' weakness)

Most popular coin titles

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 55094 13.65%
Silver Clad 32071 7.95%
Coin Silver 24155 5.98%
Slabbed Coins 23083 5.72%
BN 22652 5.61%
Encapsulated Coin 21689 5.37%
RB 21092 5.23%
Deep Cameo (DC or DCAM) 18143 4.49%
PF (PF60, PF70) 17865 4.43%
Reeded Edge 16904 4.19%
Ultra Cameo (UCAM) 16811 4.16%
PR (PR60, PR70) 15857 3.93%
Rarity 15769 3.91%
PQ 15678 3.88%
MS (MS60-MS70) 15440 3.83%
Incuse 14742 3.65%
Coin drop 14460 3.58%
High Relief 14367 3.56%
Reverse Cameo 14033 3.48%
Obverse or Face side 13748 3.41%