There are many metals like bronze,silver etc
but in olden days bronze ,gold and silver were used
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There are so many types of metal which is used in coins gold,silver,copper  etc etc. but the coin metal is depends on the govt. of the country. in old period of time the coin is made of gold and silver but now a days mostly country made coin with brass. but in india the coin is made of nickle and cupro nickle.
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