Order number : 16338
Katana in Shirasaya with Koshirae (NBTHK Tokubetsu Hozon paper)
Signature : Mumei (unsigned attributed as Mihara Masahiro)
The blade is polished.
Habaki :Gold foiled single Habaki.
Blade length : 63.6 cm or 25.0 inches.
Sori : 0.8 cm or 0.31 inches.
Mekugi : 2
Width at the Hamachi : 2.90 cm or 11.4 inches.
Width at the Kissaki : 2.00 cm or 0.79 inches.
Kasane : 0.69 cm or 0.27 inches.
Era : Late Nanbokucho period.
Shape : The blade is Oosuriage Mumei (cut shortened) attributed as Mihara Masahiro.
Jigane : Itame-hada and Mokume-hada with Chirimen-hada mixed
with Jinie attach and also Chikei work. On the surface, Utsuri appear.
Shinogiji : Itame-hada, Mokume-hada and Masame-hada mixed.
Hamon : Koniedeki Suguha with double Hamon and Utsuri appear on surface.
Special feauture : Mihara school had been prospered
during late Kamakura to late Muromachi period in Bingo province.
The most famous swordsmiths here are Masaie and Masahiro.
Especially the works done during last Kamakura to Nambokucho period
are called Ko-Mihara (Ancient style Mihara), and distinguished from the blades forged later period.
This sword is unsigned attributed as Mihara Masahiro
by NBTHK paper which is precious because of NBTHK judged the blade not ‘Ko-Mihara’ but with Masahiro’s name.
This blade has both characteristics of Yamato and Aoe style.
The surface of the blade even look like beautiful Aoe style.
Tsuba : Peony flowers are carved on round shape iron Tsuba.
Fuchi-Kashira : Tigers and bamboos are carved on Shakudo plate with gold color.
Saya : Black Isimeji Saya.
Menuki : Some flower are carved on Shakudo plate.
NBTHK Tokubetsu Hozon paper*
Aoi Art estimation paper : whole Oshigata.