料金 りょうきん後納 こうのう郵便 ゆうびんじゃありませんでした
ryōkinkōnōyūbinjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 料金後納郵便

1. Was not post-payment.; Was not a postage-due item.

Past/Perfective
Negative
Polite
Terminal Form