Cupronickel

Cupronickel or copper–nickel (CuNi) is an alloy of copper with nickel, usually along with small quantities of other metals added for strength, such as iron and manganese. The copper content typically varies from 60 to 90 percent.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 4.0

NUMISNOOK

Coin collecting & numismatic history — grading, rarity, and the stories behind the metal.

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