Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 1139507 search inquires.

Selected title: Adjustment Marks
Explanation: Small striations or file marks found on early United States coins. Caused during planchet preparation (before striking) by drawing a file across the coins to remove excess metal so as to reduce the planchet to its proper weight. The result is a series of parallel grooves

Most popular coin titles

DefinitionSearchesPercentage
Specimen Proof (SP-70 or PF-70) 56203 13.19%
Silver Clad 33084 7.76%
Coin Silver 25177 5.91%
Slabbed Coins 24094 5.65%
BN 23634 5.55%
Encapsulated Coin 22581 5.30%
RB 22091 5.18%
PF (PF60, PF70) 19076 4.48%
Deep Cameo (DC or DCAM) 18994 4.46%
Reeded Edge 17899 4.20%
Ultra Cameo (UCAM) 17692 4.15%
Obverse or Face side 17111 4.02%
PR (PR60, PR70) 17106 4.01%
Rarity 16994 3.99%
PQ 16626 3.90%
MS (MS60-MS70) 16301 3.83%
Incuse 15662 3.68%
Coin drop 15527 3.64%
High Relief 15274 3.58%
Reverse Cameo 15032 3.53%