AS20498-Katana: Mumei (Ko Uda)


Katana in Shirasaya (19th NBTHK Juyo Paper)

Signature : Mumei (Ko Uda)

(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to the Saijo Saku ranking.
The blade was polished.
Habaki: Gold foiled single habaki.
Blade length : 69.0 cm or 27.16 inches.
Sori :1.9 cm or 0.74 inches.
Mekugi: 2
Width at the hamachi: 2.91 cm or 1.14 inches.
Width at the Kissaki: 2.04 cm or 0.80 inches.
Kasane : 0.63 cm or 0.24 inches.
The weight of the sword 650 grams.
Era : Late Kamakura period.
Shape: Osuriage Mumei Katana with nice thickness, later deep Sori, and longer Kissaki.
Jigane : Ko Itame Hada and Ko Mokume Hada mixed with Jinie attach. There are Chikei.
Shinogi-Ji: Ko Itame Hada and Ko Mokume Hada mixed. You can see the Masame Hada.
Hamon : Nie Deki, Suguha Hamon base with thick Nioikuchi.
There are Ashi and Yo. The Habuchi is soft. In the Ha, there are Kinsuji.
Boshi is Ichimai and turned. In the Ha, there are Sunagashi.

Special feature: The Uda school is said to have originated in the Yamato province. The founder Kunimitsu moved to Ettyu province in the last Kamakura period. The texture of jitetsu is a point worthy of appreciation. Especially conspicuous chikei appeals us strongly.
Originally this blade was a very long naginata, a kind of halberd that was one of several similar shapes used attached to a long pole. It is also called a polearm.  

From Aoi Art: NBTHK accepted this sword as Juyo Token: Mumei(Ko-Uda). But Dr. Kaoruyama who wrote the Sayagaki says this sword is Sousu Yukimitsu. In our opinion, The and Hamon’s style is different from Ko-Uda. Anyway, this is an excellent sword.

19th NBTHK Juyo Paper
Aoi Art estimation paper: whole Oshigata.

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Auction started
2021/01/09 (Sat) 10:56

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