Katana in Shirasaya
Signature : Osaka Gassan Sadakatsu
Kouki 2600 Nen Kinen (anniversary of 2600th year from Kouki started)
(We divide 4 sections for each sword as Saijo saku, Jojo saku, Jo saku and regular saku)
This sword belongs to Jojo saku ranking.
Sayagaki : Osaka Ju Gassan Sadakatsu Kinsaku Kaou Kouki 2600Nen
Ayasugi Den Hacho 2 Shaku 2 Sun Kyo Aru no
Showa Kotobuki Nen 10 Gatsu Taia Gassan Sadakazu.
(This sword was made by Osaka Gassan Sadakatsu as anniversary of 2600 wrote the sayagaki was done by national human treasure Gassan Sadakazu.)
The blade is polished by high ranking polisher.
Habaki : Silver single Gassan Habaki.
Blade length : 68.5 cm or 3.00 inches.
Sori : 1.9 cm or 0.75 inches.
Mekugi : 1
Width at the Hamachi : 3.05 cm or 1.5 inches.
Width at the Kissaki : 2.06 cm or 0.79 inches.
Kasane : 0.65 cm or 0.26 inches.
Era : Showa 15th (1940)
Shape : The blade is regular size and engraved So Kurikara-bori (a dragon is swallowing Ken and Dokko on the other side, engraved Bonji and Goma bashi.
Jigane : Ayasugi Hamon with Jinie attach beautiful texture.
Hamon : Niedeki Ayasugi style Hamon along with Ayaysugi texture.
Special feature : Gassan Sadakatsu was born as the second son of the First Gassan Sadakazu in 1869. Sadakatsu was a representative swordsmith of Taisho to early Showa period. He was an amazing swordsmith to make all of Soshu-den, Bizen-den and Yamato-den.
Especially his distinctive Ayasugi-hada inherits the tradition that has been continued from the Kamakura period still lives on in Gendai swordsmiths. Under his famous father Sadakazu the First, Sadakatsu
forged only a few swords inscribed his swordsmith name until the death of Sadakazu in the late Taisho era. Gadakatsu put all his energies into making his own sword after 1920’s as a purveyor to the Imperial Household, special swords to dedicate the Ise-Jingu shrine, accepting orders by high dignitaries. He tempered sword with sincere and faithful attitude in conformity with Shintoism. Under that he trained many excellent swordsmiths. His two most excellent pupils, one was his real son the Second Gassan Sadakazu and the other was Takahashi Sadatsugu, were designated as preservers of Important Intangible Cultural Assets, popularly known as Living National Treasures. Sadakatsu passed away in 1943, aged 74. The age which the sword was made.
Historical back ground : May 14th, 1940 German troops occupied Paris.
NBTHK Hozon paper
Aoi Art estimation paper : whole Oshigata.