親展 しんてん書留 かきとめ郵便 ゆうびんではありませんでした
shintenkakitomeyūbindewārimasendeshita

Noun
Desu Copula

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

1. Was not registered mail.; Was not sent by registered mail.

Past/Perfective
Negative
Polite
Formal Register
Computing