Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 954689 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) 54506  13.88%
Silver Clad 31577  8.04%
Coin Silver 23655  6.02%
Slabbed Coins 22514  5.73%
BN 22058  5.62%
Encapsulated Coin 21265  5.42%
RB 20431  5.20%
Deep Cameo (DC or DCAM) 17660  4.50%
PF (PF60, PF70) 17291  4.40%
Reeded Edge 16402  4.18%
Ultra Cameo (UCAM) 16358  4.17%
PQ 15182  3.87%
Rarity 15051  3.83%
PR (PR60, PR70) 15007  3.82%
MS (MS60-MS70) 14971  3.81%
Incuse 14171  3.61%
Coin drop 13919  3.55%
High Relief 13874  3.53%
Reverse Cameo 13445  3.42%
Obverse or Face side 13154  3.35%