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Current US quarters are made of a "sandwich" consisting of a pure copper core clad on both sides with a layer of cupronickel alloy (25% nickel and 75% copper). Overall, copper makes up about 92% of the coin by weight.

Current Canadian quarters are made of an alloy of 94% steel and 3% copper, plated with nickel.

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Burdette Braun

Lvl 9
2y ago

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