A coin is a piece of hard material used primarily as a medium of exchange.They are standardized in weight and material, and produced in large quantities at a mint in order to facilitate trade. They are most often issued by a government.
Coins are mainly from metals (such as copper, zinc, aluminum, and etc.) or metal alloys (such as brass and etc.) and usually disc shaped. CSP, as the sole producer of coin blank in Iran, is capable to manufacture blanks for different coin size and material according to customer`s demand.