天平感宝 てんぴょうかんぽうではありませんでした
ten pyōkampōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 天平感宝

1. Was not a treasure of the scales.; Was not considered a treasure of the scales.

Past/Perfective
Negative
Polite
Formal Register