Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 963377 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) 54628  13.85%
Silver Clad 31669  8.03%
Coin Silver 23744  6.02%
Slabbed Coins 22610  5.73%
BN 22150  5.61%
Encapsulated Coin 21331  5.41%
RB 20534  5.21%
Deep Cameo (DC or DCAM) 17769  4.50%
PF (PF60, PF70) 17396  4.41%
Reeded Edge 16492  4.18%
Ultra Cameo (UCAM) 16441  4.17%
PQ 15278  3.87%
Rarity 15188  3.85%
PR (PR60, PR70) 15120  3.83%
MS (MS60-MS70) 15065  3.82%
Incuse 14276  3.62%
Coin drop 14025  3.56%
High Relief 13960  3.54%
Reverse Cameo 13546  3.43%
Obverse or Face side 13268  3.36%