AS20572 Katana: Mumei(Sa-Sadayoshi)

Ordering number : AS20572

Katana in Shirasaya　with a box.(NBTHK Tokubetsu Hozon Token)

Signature : Mumei(Sa-Sadayoshi)

Sayagaki: Samonji. Blade length is 2shaku 3sun 2bu. Daikinsu 300 Mai.

Hakogaki: Samonji. Tokubetsu Kicho Token. This is a legacy of Kyogoku family.

(We divide 4 sections for each sword as Saijyo saku, Jyojyo 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 : 70.4 cm or 27.7 inches.
Sori :1.0 cm or 0.39 inches.
Mekugi : 2
Width at the hamachi : 3.02 cm or 1.18 inches.
Width at the Kissaki : 2.2 cm or 0.86 inches.
Kasane : 0.74 cm or 0.29 inches.
The weight of the sword 860 grams.
Era : Nanbokucho period
Shape : O-Suriage Mumei sword with wide and thick shape, regular Sori and longer
Kissaki. Bo-hi is engraved on both side.
Jigane : Ko-Niedeki-Hada and Ko-Mokume-Hadame-Hada mixed. Utsuri appeared beautiful Jigane.
Hamon : Ko-Niedeki Suguha based Ko-Gunome-Midare.
Boshi: Sharpe Midarekomi style.

Special feature: Sa-Sadayoshi is O-Sa’s student.
He made different style swords from other Sa.
His swords is clear Jigane with Chikei and Kinsuji.
O-Sa has many students like Yukihiro,
Yoshisada, Kunihiro, Kuniyuki… but all of them made
swords same as their master. The students was call Sue-
Sa and they worked around Muromachi period.

From Aoi Art: This sword is O-Suriage-Mumei but it is wide sword with O-
Kissaki, typical Nanbokucho swords’s shape. Especially, we
can see the special feature of Samonji at the Boshi.
Sa school’s special feature is Beautiful and clear Jigane with
Ko-Itame-Hada and Mokume-Hada. We can see all of Sa’s
special feature from this sword. We strongly recommend
this sword for you.

NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper: whole Oshigata.