封緘 ふうかん葉書 はがきじゃなかったです
fūkanhagakijanakattadesu

Noun
Desu Copula

The polite, past negative form of 封緘葉書

1. Wasn't a sealed postcard.; Wasn't a postcard with a seal.

Past/Perfective
Negative
Polite
Casual Register