Different metals are used in different coins depending on the country and type of coin. In the US, the main metals used are copper, zinc, nickel, and sometimes silver and manganese.
Its support for coining silver.
congress
In the US government, the power of coining money is delegated or expressed.
Barter
Brassage
Neology
Barter
BRASSAGE
coining money
The US Mint.
the department of treasury
martini