NOMISMA

mint mark

造幣所記号 / mint-mark — Making

A small mark showing where a coin was made.

Pegasos Stater of Corinth Pegasos Stater of CorinthCirca 400–375 BC Gold stater of Philip II Gold stater of Philip IICirca 336–328 BC Tetradrachm of Alexander Tetradrachm of AlexanderBC 336–323
A photograph for the related word “mint”.

Takes the form of a single letter, star, flower, etc. Even for the same coin from the same year, a different mark means it was made in a different city. It was also a system to trace which mint was responsible when defective coins were found.