Ordering number : 18563
Katana in Shirasaya with Koshirae.(NBTHK Tokubetsu Hozon paper)
Signature : Oumi Kami Takagi Ju Sukenao.
Sayagaki was done by Dr Kanzan.
Oumi Kami Takagi Ju Sukenao suguha deki is precious.
unusual The length of the sword 2syaku 3sun 5Bu Kanzan shi.
Shinto:Jyojyo saku:Ryo wazamono cutting test ranking:Settsu.
(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 by high ranking polisher.
Habaki :gold wrapped double habaki.
Blade length : 71.21 cm or 28.03 inches.
Sori :1.52 cm or 0.59 inches.
Mekugi : 1
Width at the hamachi : 3.1cm or 1.22 inches.
Width at the Kissaki : 2.12cm or 0.83 inches.
Kasane : 0.71cm or 0.27 inches.
Era : Edo period Genroku era.
Shape : Wide and thick blade. There are Futasuji-Hi and Bo-Hi.
Jigane : Ko Itame Hada well grained with Jinie attach.
The Jigane is clear.
Hamon : Ko-Nie Deki, Suguha with thick Nioikuchi.
Boshi is Tsukiage gokoro.
Special feature: He was born at Oumi province and called Magotaro .
He moved to Oosaka and worked Sukehiro.Enpo 3 year and got married
with Sukehiro’s sister.He changed his name Enpo 3 year to Oumi Kami
Sukenao.His subjects are Gunome midare and Toranba hamon mainly
like his master Sukehiro.
This blade looks like Taima which was made Kamakura period.
I think this blade beyond his master Sukehiro’s work.
Saya : Black color Saya.
Tsuba : Round shape iron Tsuba, tree is engraved with gold color. Shoami school.
Menuki :Shakudo, flower is engraved.
Fuchikashira: Brass, some design is engraved with gold, copper and Shakudo color.
From Aoi Art: There is a few number of Suguha Hamon blade of Sukenao.
The wide and thick Nioikuchi Hamon remind of Sukehiro or Shinkai.
The Ha is bright with soft Ashi. The Koshirae is also elegant.
NBTHK Tokubetsu Hozon Paper
Aoi Art estimation paper : whole Oshigata.