親展 しんてん書留 かきとめ郵便 ゆうびんじゃなかったです
shintenkakitomeyūbinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 親展書留郵便

1. Wasn't registered mail.; Wasn't sent by registered mail.

Past/Perfective
Negative
Polite
Casual Register
Computing