AS24133 Katana：Osaka ju Gassan Sadakatsu kin saku Imperial Year 2600 (1940)(NBTHK Tokubetsu Hozon Token)

Ordering number:AS24133

Katana in Shirasaya, with Army Gunto Koshirae, in Kiri Box (NBTHK Tokubetsu Hozon Token)

Signature: Osaka ju Gassan Sadakatsu kin saku
Imperial Year 2600 (1940)
大阪住月山貞勝僅作
皇紀二千六百年

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This work is ranked as Jyojyo Saku among the works of Gassan Sadakatsu.
Habaki: Double-layered plain copper、Silver Gassan-style Habaki
Blade Length: 66.7 cm (26.26 in)
Curvature: 1.7 cm (0.67 in)
Mekugi Hole: 1
Width at Base (Motohaba): 2.96 cm (1.17 in)
Width at Tip (Sakihaba): 1.97 cm (0.78 in)
Thickness of rim (Kasane): 0.675 cm (0.27 in)
Sword Weight: 655 grams
Era: 1940 (Showa 15)
Shape: The blade has a solid width and thickness, with a long portion of the original blade remaining intact.
It features a bohi (groove) with soehi (secondary groove) carved into it.
Jigane: Displays the distinctive Ayasugi-hada, also known as Gassan-hada, visible across the entire surface.
Hamon: The Ayasugi pattern appears prominently, and the polish follows the pattern of the hamon.
The boshi is irregular.

Features:　The year 2600 in the Imperial calendar corresponds to 1940 (Showa 15), the year before the Pacific War began in 1941 (Showa 16).
Gassan Sadakatsu was the son of Gassan Sadakazu and initially produced works on his father’s behalf.
After his father’s passing, he began making many swords for military personnel.
He was also skilled in carving horimono (blade engravings) and left behind many excellent works.
In 1916 (Taisho 5), Sadakatsu was already acting as a substitute maker and doing blade carvings.
He established a forge in Yoshino, Nara Prefecture, where he and his apprentices produced many swords for soldiers heading to the battlefield.

Koshirae: Army Gunto Koshirae

NBTHK Tokubetsu Hozon Token Certificate (to be issued soon)
Aoi Art Estimation Paper: Whole Oshigata included
In Kiri box

Please note: the price does not include the shipping fees.