Ordering number : 19192
Wakizashi in Shirasaya with koshirae.(NBTHK Hozon Paper)
Signature : Oumi Daijo Fujiwara Tadahiro.
Shinto:Jyo-Jyo saku:Oowazamono cutting test ranking:Hizen
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to JyoJyo saku ranking.
The blade was polished by good polisher.
Habaki :copper single gold color habaki.
Blade length : 52.1 cm or 20.51 inches.
Sori : 0.7cm or 0.27 inches.
Mekugi : 1
Width at the hamachi : 2.75 cm or 1.08 inches.
Width at the Kissaki : 1.94 cm or 0.76 inches.
Kasane : 0.54 cm or 0.21 inches.
Era : Edo period Kanei era.
Shape : The blade is rather wide and thick with suitable sori and longer
kissaki nice looking shape.
Jigane :Koitame hada well grained with jinie attach beautiful Hizen texture
which is called Konukahada.
Shinogoji:Koitame hada and masanagare.
Hamon :Niedeki suguha with rather thick nioikuchi
which is middle suguha hamon.
Boshi is round shape with thick nioikuchi.
Special feature:Tadahiro the Second forged this katana. He was born Heisakuro Hashimoto as a legitimate son of Tadayoshi the First. Tadahiro was only19 years old when his father passed away in1632 but he was enough skillful to forge 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 forged sword for a long period of time to leave the largest number of swords among the swordsmiths of Hizen school. He was good at both of Suguha-hamon 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.
Saya : Kai chirashi with red stripes.
Tsuba : Mokko shaped Shakudo Tsuba, the Dragon, the wave and Mt.Fuji carved.
Menuki : Shakudo Menuki, Shishi dog carving.
Fuchikashira : Kashira is made of horn, Fuchi is made of Shakudo.
From Aoi-Art:Hizen blades looks like Enjyu school which was made at late Kamakura to nanbokucyo period.
Difference of Enjyu and Hizen blade is appearing Utsuri and hamon and also the shape.
NBTHK Hozon Token
Aoi Art estimation paper : whole Oshigata.