郵便 ゆうびん貯金 ちょきんじゃなかったです
yūbinchokinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 郵便貯金

1. Wasn't a postal savings account.; Wasn't the postal savings.

Past/Perfective
Negative
Polite
Casual Register