Katana in Shirasaya with Koshirae (NBTHK Tokubetsu Hozon Paper)
Signature : Hizen Kuni Dewa Daijyo Yukihiro.
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku
Jyo saku and regular saki)This sword Hizen Kuni Dewa Daijyo Yukihiro belongs to Jyoujyo saku ranking.
The blade was polished by high ranking polisher.
Habaki :single gold foiled habaki.
Blade length : 71.1 cm or 27.99 inches.
Sori : 1.5 cm or 0.59 inches.
Mekugi : 1
Width at the hamachi : 3.11cm or 1.22 inches.
Width at the Kissaki : 2.24cm or 0.88 inches.
Kasane : 0.66 cm or 0.25 inches.
Era : Edo period Kanbun era.
Shape :The blade is rather long, wide and thick with nice looking sori and boshi.
Jigane:Koitame hada well grained with jinie attach beautiful Konukahada which is typical Hizen texture.
Hamon:Niedeki gunome midare and Cyoji midare mixed with small ashi
and sakasa Cyoji midare and koashi work. Boshi is notare hakikake style.
Special feature : Yukihiro was a swordsmith of Hizen province.
He was the Second son of Hashimoto Yoshinobu.
Yukihiro got the title of Dewa Daijo in 1648 and ranked up to Dewa (No) Kami in 1663.
He went to Nagasaki to learn under Hisatsugu and Tanenaga who were well informed
about western steels brought by the Dutch. Yukihiro also learned Bizen-den style
under the swordsmith belonged to Ishido School and sometimes added
the character Ichi to his signature. Later he became a retained swordsmith
of the Nabeshima family and lived in Nagase town. He passed away in 1683, aged 66.
The workmanship of this katana with his full of spirit bears a close resemblance to
the early works of O-mi Daijo Fujiwara Masahiro the Second.
In his swords, this sword is interesting ichimonji style by using Japanese Tamahagane.
Tsuba:On the round shape iron tsuba,
some design is engraved with gold color.Edo Higo style.
Saya:black color with tiny thread.
Menuki:On the syakudo plate, some design is engraved with gold color.
Fuchikashira:a Japanese boat and bird are engraved with gold color.
NBTHK Tokubetsu Hozon paper.
Aoi Art estimation paper : whole Oshigata.