A mint mark is a letter, symbol or an inscription on a coin indicating the mint where the coin was produced. It is distinct from a mintmaster mark, the mark of the mintmaster.
Mint mark and privy marks on French Cochinchina 20 Cents 1879, Paris Mint
Spanish Milled Dollar with Mexico City Mint Mark.
Carson City Mint 1872 "Liberty Seated" silver dollar reverse, bearing the mint's CC mint mark just beneath the eagle.
A mint is an industrial facility which manufactures coins that can be used as currency.
Mint mark
…A mint mark is a letter, symbol or an inscription on a coin indicating the mint where the coin was produced. It is distinct from a mintmaster mark, the mark of the mintmaster. Mint marks were first developed to locate a problem…
United States Mint, Philadelphia
Bronze mold for minting banliang coins, Warring States period (475–221 BC), State of Qin, from an excavation in Qishan County, Baoji, Shaanxi province, China
Ionia, uncertain city (possibly Kyme, Aeolis) 600–550 BCE, Hemiobol. Horse head, rough incuse
A furnace for producing molten metal for coin production.