ニッケルめっきじゃなかった
ニッケル鍍金じゃなかった
nikkerumekkijanakatta

Noun
Da Copula
no-Adjective

The past negative form of ニッケルめっき

1. Wasn't nickel-plated.; Was not nickel-plated.

Past/Perfective
Negative
Usually Written in Kana