AS20420-Katana: Mumei attributed as Sue Tegai.

Katana in Shirasaya with Koshirae.(NBTHK Hozon Token)
Signature: Mumei attributed as Sue Tegai.

(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo saku ranking.
The blade was polished.
Habaki: Gold foiled single habaki.
Blade length : 65.9 cm or 25.94 inches.
Sori :1.7 cm or 0.66 inches.
Mekugi: 2
Width at the hamachi: 2.97 cm or 1.16 inches.
Width at the Kissaki: 1.8 cm or 0.70 inches.
Kasane : 0.74 cm or 0.29 inches.
The weight of the sword 685 grams.
Era : Early Muromachi to middle Muromachi period.
Shape : The blade is cut shortened regular
width thickness with deep sori and longer kissaki .
Jigane :Koitame hada and mokume hada mixed with Jinie attach.
Hamon: Konie deki Suguha with Uchinoke, double Ha, Kuichigai Ha, and Nezumi Ashi.The Kintsuji worked. Bo-shi is round in shape with Hakikake style.

Special feature: The Hamon and the shape,
the blade, we can say this is the early Muromachi period’s Sue Tegai sword.
Tegai school started Kamakura period
This sword has a lot of activities in Ha, so you can enjoy a lot.

Koshirae :
Saya: Blue shell powder spread on the Saya.
Tsuba: On the round shape iron Tsuba,
dragon is engraved highly and
on the backside, clouds are engraved.
Menuki: the dragon is engraved with gold color.
Fuchikashira: On the shakudo Nanako plate,
dragon is engraved with gold color.

From Aoi Art: This blade is a very nice well-grained texture with unsure like Aoe
school.On the backside Shionogi ji, some lose Hada appear but not so bad. The Hataraki in the Hamon is very good Kinsuji appears near Suguha Hamon. Koshirae is also nice and fittings are dragon motifs.

NBTHK Hozon Token
Aoi Art estimation Paper
whole Oshigata.