にせ くろ すじ銀宝 ぎんぽじゃありませんでした
nisekurosuji gimpojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 偽黒筋銀宝

1. Was not a false black vein silver treasure.; Was not a fake black-veined silver treasure.

Past/Perfective
Negative
Polite
Terminal Form