Katana in Shirasaya with Koshirae(NBTHK Tokubetsu Kicho Paper)
Signature : Mumei (Tegai)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku
Jyo saku and regular saku)
This Mumei (Tegai) belongs to Jyojyo saku ranking.
Habaki: Gold foiled single Habaki.
The blade was polished.
Blade length : 66.81 cm or 26.30 inches.
Sori : 1.8 cm or 0.70 inches.
Mekugi : 3
Width at the hamachi : 3.00 cm or 1.18 inches.
Width at the Kissaki : 2.11 cm or 0.83 inches.
Kasane : 0.69 cm or 0.27 inches.
Era : Late Kamakura period.
Shape : Regular size Osuriage Mumei Katana with large Sori and long Kissaki.
Nice shape Katana.
Jitetsu : Itame Hada well grainend with Jinie attach and visible to see the texture.
There are Chikei.
Hamon : Nie Deki, Suguha base, there are Ashi and Yo. This is typical Kamakura and Nanbokucho style.
Boshi is Midarekomi Togari shape.
Special feature : There had been several swordsmith schools in Yamato province;
Tegai, Shikkake, Taima, Senjuin, Hosho. This blade was judged as Mumei(Tegai) by NBTHK.
We guess also the blade attribute as Shikkake.
The Jigane is nice. And also Hamon having the atmosphere of the Koto blade.
Tsuba : Round shape iron Tsuba, flower with brass inlay. Heianjo Tsuba.
Fuchi: Shakudo Nanako, Ume flower is engraved with gold color.
Kashira : Iron, Ume flower is engraved with gold, silver and copper color.
Saya : Black Ishime-Ji Saya.
Menuki : Branch is engraved with gold color.
NBTHK Tokubetsu Kicho Paper
Aoi Art estimation paper : whole Oshigata.