Katana in Shirasaya with Koshirae.(NBTHK Tokubetsu Hozon Token)
Signature : Mumei (Senjuin)
(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo saku ranking.
The blade was polished.
Habaki : silver single habaki.
Blade length : 72.4 cm or 28.50 inches.
Sori :2.6cm or 1.02 inches.
Mekugi : 3
Width at the hamachi : 2.9cm or 1.14 inches.
Width at the Kissaki : 1.6 cm or 0.62 inches.
Kasane : 0.6cm or 0.23 inches.
The weight of the sword: 535grams.
Era : Kamakura middle to late period.
Shape : The blade i rather slender with deep sori (2.9cm )
and middle Kissaki nice elegant shape.
Jigane :Koitame hada well grained like Muji style and another part is O-hada appear and Utsuri appear.
Hamon :Suguha hamon and notare mixed rather deep nioikuchi with Hoashi ,double hamon and in Hamon, sunagashi, kinsuji .
Bo-shi is along with fukura and turns back and also kinsuji work.
Special feature:At the foot of Mt. Wakakusa in Nara, there is a Senju-do that enshrines Senju Kannon.
Probably it was made for the monk soldiers of the temple, and it is thought that the inscription was not put on the stem, and there are very few sword inscriptions of other Yamato schools.
Koshirae : Tachi mounting.
Tsuba :On the Itachi tsuba, engraved plants design.
Fuchikashira :Kojiri and other parts:on the shibuichi plate, plant design are engraved.
Menuki : Dragon is engraved by shakudo plate.
Saya:black Wrinkle pattern is engraved.
From Aoi Art: This work was attributed as Senjyuin, but it looks much older and is closer to Ko senjyuin. After all, the deep old-fashioned and dignified body of the sori, Jigane is also good, hamon is nioikuchi deeply bladed, kinsuji It is a well-made work that works well and is elegant. Koshirae is a masterpiece that has been carefully preserved in Tachi Koshirae during the Edo period, so please buy it.There is a tateware(crack) in sashiomote about 5 cm from hamachi.
The jigane and hamon that are never defeated even when compared NBTHK Juyo Token. At first glance, taihai makes you feel the age of the times and wants you to convey it as a treasure sword at home in the future.
NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper: whole Oshigata.