Nickel silver is a copper alloy with nickel and zinc.
Sterling silver is an alloy of silver 92.5% by weight of silver and 7.5% by weight of.other metals, usually copper.
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Nickel silver is a copper alloy with nickel and zinc.
Sterling silver is an alloy of silver 92.5% by weight of silver and 7.5% by weight of.other metals, usually copper.
I found this on Wikipedia.