えぞくろてんじゃなかったです
蝦夷黒貂じゃなかったです
ezokurotenjanakattadesu

Noun
Desu Copula

The polite, past negative form of えぞくろてん

1. Wasn't a sable.; Wasn't an Ezo sable.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana