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Cupro-nickel
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Update Glossary: Cupro-nickel
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(or Cupronickel). Alloy of Copper and Nickel widely used in modern coins. Cupronickel (usually 75% copper, 25% nickel) became the popular choice to replace silver from 1947. Cupronickel is shiny like silver and highly resistant to corrosion in seawater.
Update
This was last updated on 29-Nov-2021 09:27:05