Tanto : Ujifusa
Tanto in Shirasaya, with Koshirae. (NBTHK Hozon paper)
Signature : Ujifusa.
late Koto : Cyujyo saki : Wazamono cutting test ranking : Mino province.
The blade was polished.
Blade length : 28.8 cm or 11.33 inches.
Sori : 0.3 cm or 0.11 inches.
Mekugi : 2
Width at the hamachi : 2.71 cm or 1.06 inches.
Kasane : 0.70 cm or 0.27 inches.
Era : Late Muromachi period to Keicyo era.
Shape : The blade looks naginata style which is called Kanmuro otoshi style.
Jitetsu : Itame hada well grained with jinie attach and visible to see the texture.
Hamon : Niedeki Gunome midair up and down with rather thick nioikuchi hamon.
Kissaki is Jizo style and turns back yakisage style.
Special feature : Ujihusa is a stream of Seki Kanefusa and some students moved to Owari province with Tokugawa shogun
and worked there like Wakasa Kami Ujifusa and Hida Kami Ujifusa.
This Ujihusa's yasurime(nakago) is Higaki style so I think The Ujifusa stayed there and succeeded his master Kanefusa's technique.
The sword has Yahazuya hamon and wild feeling gunome midair and also healthy Kanmuriotoshi style nice sword.
Koshirae : Aikuchi issaku koshirae.
Fuchikashira : On the shibuichi plate, some design is gold color and sum zogane.
Saya : Aogai chirashi (blue shell powder)
Menuki : A dragon is engraved by syakudo plate.
Kozuka and Kogai : Some design is painted bu sum zogan.
Kogatana : Yokoyama Sukeyosi yokoyama school.
Historical background : Keicyo 5th Sekigahara war occurred and at Keicyo 8 year, Tokugawa Shogun open Edo Shogunate.
A lot of earthquake occur and the mountain Asama volcano erupted.
At Keicyo 3rd August 18th Toyotomi Hideyoshi passed away.
NBTHK Hozon paper
NBTHK Hozon paper
Aoi Art estimation paper : whole Oshigata.