Ordering number : 15033
Katana in Shirasaya with Koshirae.(NBTHK Hozon Paper)
Signature : Mumei (Chiyozuru Morihiro)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs toJyo Jyo saku ranking.
The blade is polished.
Habaki :silver single habaki.
Blade length : 68.4 cm or 26.9 inches.
Sori :1.9cm or 0.74 inches.
Mekugi : 3
Width at the hamachi :2.94 cm or 1.15 inches.
Width at the Kissaki : 2.28 cm or 0.89 inches.
Kasane : 0.713cm or 0.280 inches.
Era : Late Muromachi to early Muromachi period.
Shape : The blade is oosuruage mumei with bo-hi on both sides of the blade.
The blade is wide and thick with deep sori and longer kissaki.
Jigane :Itame hada and masame hada mixed with jinie attach like rai jigane.
On the Ji, utsuri appear. There is a Uchikomi-Kizu the Habaki bottom about the 10cm.
Hamon :niedeki doube hamon and threefold hamon and ashi, yo scatter.
Boshi is midarekomi style.
Special feature:Chiyozuru Morihiro is a son of the Chiyozuru Kuniyasu who came from Rai school and moved to Echizen.So these sword makers say Echizen Rai.This school moved Kyoto to Echizen province and influenced by
Echizen sword makers. The sword style is beautiful shape deep sori and longer kissai. Jigane is Rai style rather weak jigane with utsuri.
Saya :Same gawa(shaarki skin(Kaeragi skin)
Tsuba :On the iron Mokko style, a frog and a man are engraved(Chinese olsd story)
Fuchikashira:On the syakudo plate, clouds are engraved.
Menuki : Horsetail is engraved by copper plate.
From Aoi Art:The blade loos old Nanbokucyo style shape.
Jigane looks like Rai style texture.
On thhe upper part of the Hamachi area, Homarekizu appear.
battling trace.Koshirae saya is marvelous same gawa(shark slin:Kareragi saya)
NBTHK Hozon Paper
Aoi Art estimation paper : whole Oshigata.