通常 つうじょう郵便 ゆうびんじゃなかったです
tsūjō yūbinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 通常郵便

1. Wasn't standard mail.; Wasn't sent by regular post.

Past/Perfective
Negative
Polite
Casual Register
Computing