Katana in Shirasaya, with Koshirae.(NBTHK Tokubetsu Kicho Paper)
Signature : Mumei (Muramasa)
Sue Koto : Saijyosaku ranking:Ise province.
The blade was polished
Habaki:syakudo with a familyy crest.
Blade length : 69.4 cm or 27.32 inches.
Sori : 2.2 cm or 0.86 inches.
Mekugi : 3
Width at the hamachi : 2.78 cm or 1.09 inches.
Width at the Kissaki : 1.99 cm or 0.78 inches.
Kasane : 0.68 cm or 0.26 inches.
Era : Late Muromachi period Bunki era.
Shape : The blade is suriage mumei attributed as Muramasa.
The sword is rather wide and thick with doop sori and also longer kissaki nice looking shape.
Jitetsu : Itame had and massage had mixed with jinie attach beautiful nice Jigane.
Hamon : Both sides of the blade is same gunome hamon and rather sleepy hamon which is cut well hamon.
Special feature : Muramasa was working at Ise Kuwana province and continued 3rd generation.
First and second generations are well known sword makers.
was a son of the Nosyu Akasaka Sazaemon Kanemura akasaka senjyuin school.
The blade was called Yo-to Muramasa（specter sword) because the Muramasa
brought down many unhappiness and disaster to the Tokugawa shogun family.
So The syogu hate the Muramasa but on the contrary Sanada Yukimura and
Yui Syosetsu loved the Muramasa very much because they are against Tokugawa shogun.
Koshirae : Handachi Koshirae.
Tsuba : On the Mokko style syakudo nanako plate, rise us mimi and engraved some leaved design.
Fuchikashira : Syakudo nanako plate.
Saya : kawarinuri saya. upper part is kizami saya.
Menuki : Some leaves are engraved by syakudo plate.
NBTHK Tokubetsu Kicho Paper
Aoi Art estimation paper : whole Oshigata.