Katana in Shirasaya(NBTHK Tokubetsu Hozon Paper)
Signature : Hizen koku Ju Fujiwara Tadahiro
Kanei 11 nen 2 gatsu Kichijitsu (February 1634)
Shinto: Jojo saku: Oowazamono: Hizen province.
The blade was polished by high ranking polisher.
Blade length : 75.75 cm or 29.82 inches.
Sori : 1.65 cm or 0.64 inches.
Mekugi : 2
Width at the hamachi : 3.1 cm or 1.22 inches.
Width at the Kissaki : 2.4 cm or 0.94 inches.
Kasane : 0.65 cm or 0.25 inches.
Era : Edo period around Kanei era. (February 1634)
Shape : Wide and thick, Ookissaki blade. There are Bo-Hi on both side.
Jitetsu : Ko-Itame Hada well grained with Jinie attach.
The Jigane is beautiful Konuka Hada.
Hamon : Nie Deki, wide Suguha, deep Nioikuchi. In Ha, there are many Sunagashi,
Kinsuji and Yo. Boshi is Midarekomi Hakikake style.
Special feature : Hizen koku ju Fujiwara Tadahiro is the son of first generation Tadayoshi.
His real name is Hashimoto Heisakuro.
At Kanei 9th year, when his father died, he has inherit Hashimoto family.
Tadahiro was only19 years old when his father passed away in1632
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.
This blade is wide and thick with deep Sori. The Jitetu well grained, nice Jigane.
The blade is masterpoese of Tadahiro without Kizu and flow.
The condition of the jigane is strikingly good.
We recommended this blade.
NBTHK Tokubetsu Hozon Paper
Aoi Art estimation paper : whole Oshigata.