Order number : AS17484
Katana in Shirasaya with Koshira (NBTHK Tokubetsu Hozon Paper)
Signature : Oumi Daijo Fujiwara Tadahiro (2nd generation)
Sayagki: written by Dr.Kanzan.
(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.
Shinto:JyoJyo saku ranking: Oowazamono cutting test ranking:Hizen province.
The blade was polished by high ranking polisher.
Habaki :gold wrapped single habaki.
Blade length : 64.5cm or 25.39 inches.
Sori :1.2cm or 0.47 inches.
Mekugi : 1
Width at the hamachi : 3.06 cm or 1.20 inches.
Width at the Kissaki : 2.33 cm or 0.91 inches.
Kasane : 0.66 cm or 0.25 inches.
Era : Edo period Kanei era.
Shape : The blade is rather wide and thick with deep sori and longer kissaki nice looking shape.
Jigane :Koitame hada well grained with jinie attach and chikei work.
shinogiji:Koitame hada and komokume hada mixed.
Hamon :Niedeki gunome midare with deep nioikuchi and soft feeling habuchi.
In Hamon, sunagashi, kinsuji scatter like morning mist.
Boshi is round shape.
Special feature: Tadahiro the Second, born Heisakuro Hashimoto as
a legitimate son of Tadayoshi the First. Tadahiro was only19 years old when
his father passed away in 1632 but he was enough skillful to make sword at that time.
Tadahiro designated the Omi-Daijo in 1641, aged 29 and continued not only forging sword
but also supervised many pupils until his death in 1693, aged 80. He is known as a skillful swordsmith
almost all works are above the standard hizen-to. He had been made sword for a long period
of time to leave the largest number of swords in the swordsmiths of Hizen school.
He was good at both of Suguha and Choji-midare Hamon. Especially the beauty of jitetsu
called konuka-hada is appreciated as the best among the hizen-to.
His swords are ranked at the Owaza-mono because of the sharpness.
Tsuba: Shakudo Tsuba.
Saya: red color Kizami Saya
Fuchikashira: Shakudo, plant is engraved with gold color.
Menuki: Shakudo, grapes are engraved with gold color.
From Aoi-Art:Generally Oumi Daijyo Fujiwara Tadahiro made suguha hamon
but this sword is Gunome midare with thick noioikuchi like Hizen Masahiro.
Probably Masahiro taught Tadahiro like this active summer cloud hamon.
NBTHK Tokubetsu Hozon paper.
Aoi Art estimation paper : whole Oshigata.