料金 りょうきん後納 こうのう郵便 ゆうびんじゃなかった
ryōkinkōnōyūbinjanakatta

Noun
Da Copula

The past negative form of 料金後納郵便

1. Wasn't postage due.; Wasn't a cash-on-delivery postal item.

Past/Perfective
Negative