Tanto : Mumei attributed as Ko Nyudo Kunimitsu.
Tanto in Shirasaya (NBTHK Tokubetsu Hozon Paper)
Signature : Mumei attributed as Ko Nyudo Kunimitsu.
Sayagaki was done by Mr Tanobe sensei.
Konyudo Kunimitsu Tadasi Ubu Machiokuri nakago Kono Ko Eccyu
Udaha no shiso to Tsutae Yedai wo Bunpo Koro Jiha tomoni
Gami aru mono nari.
Explanation : The blade is almost Ubu nakago and Machiokuri nakago
The blade is Munei but attributed as old Nyudo kunimitsu.
The blade is Ubu style slightly Machiokuri.
The blade belongs to Eccyu province which is first era of Uda school orobably
Kamakuraa period Bunpo era(1317-1318) about 700 years ago.
The blade was polished.
Blade length : 17.6 cm or 6.93 inches.
Sori : No Sori
Mekugi : 2
Width at the hamachi : 1.81 cm or 0.71 inches.
Kasane : 0.41 cm or 0.16 inches.
Era : Late Kamakura period. Bunho
Shape : Ther eare Bo-hi engraved at bot hside of the blade.
It is rather samll shape tanto and it is in Mitsumune style.
Jitetsu : Koitame hada well grained with jinie attached. There is some Utsuri in the ji.
Hamon : Nie deki suguha with Boshi engraved and the tip is Hakikake style.
Special feature : Uda school started from Late Kamakura period. Father swordsmith named
Kunimitsu was from Uda ,（present Nara prefecture） and moved to Ecchu
(present Nigata prefecture). They prospered in Nanbokucho period.
Same signature has been succeded to many generations until Muromachi late period.
The blade, at first glance looks like Shinto sword however there is much thickness
on nie line and there are few kinsuji lines which brings us to the attribution Ko-Nyudo Kunimitsu.
It is truly elegant healthy tanto and we recommend this piece of work.
NBTHK Tokubetsu Hozon Paper
Aoi Art estimation paper : whole Oshigata.
Price (credit card) : JPY 550,000-.