nickel coin
Refers to a coin made of nickel or a nickel alloy. Often used in historical or numismatic contexts.
この白銅貨は明治時代に発行された。
This nickel coin was issued in the Meiji period.
Compound of 白銅 (はくどう, 'nickel, cupronickel') and 貨 (か, 'coin, currency').