だい しゅ郵便 ゆうびん ものじゃなかったです
daini shu yūbimmonojanakattadesu

Noun
Desu Copula

The polite, past negative form of 第二種郵便物

1. Wasn't second-class mail.; Wasn't the second type of mail.

Past/Perfective
Negative
Polite
Casual Register