- Country/Eraļ¼Settsu(Osaka) – Edo era about 1661
- Blade length(Cutting edge): 78.8cm
- Shape(Taihai): Chu-kissaki, Shinogizukuri, Iorimune
- Jigane(Hada): Itame
- Temper patterns(Hamon): Gunome-choji Midare with Konie
- Temper patterns in the point(Bohshi): Komaru
- Registration Card: Okayama
- Paper(Certificate): [N.B.T.H.K]Tokubetsu Hozon
- Token/Koshirae: Hozon Tosogu
Awataguchi-omi-no-kami Tadatsuna(first generation)
¥3,500,000
