AS20453-Katana:Mumei

Katana in Koshirae.

Signature:Mumei

(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular
saku)
This sword belongs to the regular Saku ranking.
The blade was polished.
Habaki : brass single habaki.
Blade length: 66.2 cm or 26.06 inches.
Sori : 1.6 cm or 0.63 inches.
Mekugi: 1
Width at the hamachi: 3.23 cm or 1.272 inches.
Width at the Kissaki: 2.23 cm or inches.
Kasane : 0.86 cm or 0.88 inches.
The weight of the sword 800 grams.
Era: Wartime (during world war 2)
Shape: The blade is wide and thick with suitable sori and longer kissaki.
Jigane: It looks Masame but Muji style. someone polished very hard polishing stone.
Hamon :suguha hamon bright and clear.
special feature: Probably this sword was used as a Japanese imperial army　Gunto.

Koshirae : Modern times.
Saya :　Kizami Saya.
Tsuba :The tsuba was made around the middle Edo period.
Menuki :

From Aoi Art: I think this sword was made during wartime which
is called Showa-to. The sword is suitable for Rai practice or Batto.

Aoi Art estimation paper: whole Oshigata.