Japanese Sword Online Museum

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Katana: Chikushu Sano-ju Sou Tsutomu Sou Hiroshi Saku


Katana in Shirasaya.  (Guarantee: NBTHK Hozon Paper)
Signature : Chikushu Sano-ju Sou Tsutomu Sou Hiroshi Saku
Showa Kinoe-ne (1984) August good day
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Saijyo-saku ranking.

The blade was polished.
Habaki : Double silver
Blade length : 74.4 cm or 29.3 inches.
Sori : 1.7 cm or 0.7 inches.
Mekugi : 1
Width at the hamachi : 3.25 cm or 1.28 inches.
Width at the Kissaki : 2.58 cm or 1.02 inches.
Kasane : 0.66 cm or 0.26 inches.
Era : Modern
Shape : Wide, thick blade with curve, long Kissaki well balanced blade.
Jigane : Koitame-hada well grained with Jinori attached with Chikei, wonderful Jigane.
Hamon : Nie-deki Gonome-midare, deep Nioikuchi with many Ashi, Saryu, Kinsuji working well. Kissaki Midarekomi style.
Special feature: So Tsutomu was born in 2nd year of Showa period.
He learned the sword producing skills from his father So Masamitsu.
Later, he was influenced by Kiyomaro work and has made much Soshuden work.
He has received prices such as Bunka Chokai Prize, Kunzan Prize and Tokusho.
At Heisei 2nd, he became a Mukansa Sword Smith and has copied much of Sukehiro work.
He has challenged on Doranba work and has succeeded significantly.
He was well known as the closest person to Human National treasure but has died
at February 24th, Heisei 27th(2015).
Any sword smith alive is not acknowledged as a Human National Treasure in Ministy of Education in Japan now.
This blade was made by Soshu-den style like Samonji, or Kiyomaro.
The blade is fantastic powerful Jigane consistof the itame hada well grained with Jinie attach and Chikei work and nice Gunome-midare Hamon with powerful Sunagashi and Kinsuji.
I think he must be the most well known swordsmith of making Kiyomaro style.
The blade was forged by So Tsutomu and a son So Munehiro who got also a lot of prizes and qute well known sword smuth.
This sword is wonderful a copy of the Samoji or Kiyomaro active sword.

Guarantee NBTHK Hozon paper.
Aoi Art estimation paper : whole Oshigata.

Price : JPY 1,200,000-.