Ordering number: 21126
Katana in Shirasaya with Koshirae.(NBTHK Hozon Token)(NBTHK Kicho Token)
Signature : Oku Shirakawa Ju Koyama Munetoshi
Ganji Gannen 8 Gatsuhi
(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo sakuranking.
The blade was polished.
Habaki : silver single habaki
Blade length : 70.6 cm or 27.8 inches.
Sori : 1.364cm or 0.53inches.
Width at the hamachi :3.0 cm or 1.18inches.
Width at the Kissaki : 1.87 cm or0.736 inches.
Kasane : 0.75cm or 0.3 inches.
The weight of the sword: 820 grams.
Era : The Edo period, Ganji 1, 1864
Shape : The blade is wide and thick wotu suitable sori
and longer kissaki also left Ubu ha and long Nakago.
Jigane :Koitame hada well grained with jinie attach beautiful Juji style clear Jigane.
Hamon :Konie deki gunome midare and in Hamon, sunagashi, kinsuji work Bo-shi is komaru bo-shi.
Special feature: Oku Shirakawa Jyu Koyama Munetsugu is a student of Koyama Munetsugu and is called Hakuryushi, and his style is very similar to his master Koyama Munetsugu. He is commonly known as Koyama Sousuke and also known as Taryusi. He died in 1897 at the age of 76.
Koshirae : Higo Koshirae.
Saya :This scabbard is a rare scabbard that is carefully made by crossing the shell of an egg.
Tsuba :５ round shape iron Fukashi tsuba.
Menuki : flowers and a bird are engraved by syakudo and cooled by gold.
fuchikashira: syakudo plate.
From Aoi bijyutsu: Hamon, a disciple of Koyama Munetsugu, has many bright and clear works similar to his master, and many works have kinsuji working in the blade. It can be said that it is a masterpiece that surpasses Munetsugu.
Back ground of age:Ansei 5 years Ansei Purge Against the Sonno Jōi movement, which intensified against the signing of the Ansei Treaties and the issue of general succession from the 5th year of Ansei to the following year。 Due to the crackdown by Ii Naosuke Ooi, eight members including the Kuge, 100 Shishi, Shoin Yoshida, and Sanai Hashimoto were executed. Manei first year Sakuradamon Incident
NBTHK Kicho Token
NBTHK Hozon Token
Aoi Art estimation paper: whole Oshigata.