Oxidized silver: a dark, subdued silvery-gray finish produced by oxidizing silver.
職人が刀の鍔（つば）をいぶし銀に仕上げた。
The craftsman finished the sword guard with an oxidized-silver finish.
古い銀器は長年の使用でいぶし銀の味わいが出ている。
Old silverware develops an oxidized-silver patina after years of use.
An idiom describing something quietly impressive — restrained, mature excellence (e.g., a performance that’s understated but powerful).
彼の演技は派手さはないが、まさにいぶし銀だ。
His acting lacks flashiness, but it's truly like 'ibushi-gin' — quietly brilliant.
ベテラン選手のプレーはいぶし銀の魅力がある。
The veteran player's play has the subdued charm of an 'ibushi-gin' performance.
あの作家の文章は華やかさはないが、いぶし銀の味わいがある。
That writer's prose isn't flashy, but it has a refined, understated quality.