Katana in Shirasaya (NBTHK Hozon Paper)
Showa 17 nen 2 gatsu Kichizitsu (February , 1942)
The blade was polished .
Blade length : 66.5 cm or 26.18 inches.
Sori : 2.0 cm or 0.78 inches.
Width at the hamachi : 2.86 cm or 1.12 inches.
Wide at the Kissaki : 1.96 cm or 0.77 inches.
Kasane : 0.71 cm or 0.27 inches.
Era : Gendai (Showa era)
Shape : The blade is regular sized with nice deep sori which looks like Kamakura period.
Jitetsu :Koitame hada well grained with Jinie attach and also chikei work.
Hamon :Basicly Niedeki suguha hamon and small gunome midare mixed
with a lot of ashi work softly like morning mist.
Special feature : Yasuyoshi, born Ajiki Haruyoshi around 1911 to 1912
in Yamagata pref. entered the Nihon-to Tanren-kai in 1933.
He learned under Kajiyama Yasutoku, Kotani Yasunori and Miyaguchi Yasuhiro.
Haruyoshi started to work with Kotani Yasunori in 1935.
Haruyoshi inscribed Yasuharu on his swords before he named Yasuyoshi in 1940.
He forged about 730 swords as a Yasukuni-tosho. In the postwar Japan,
he made a fresh start in 1955 and forged sword in Togane City in Chiba pref.
He passed away in 1994.
This sword looks a copy of Rai school which is well known sword smith Kamakura period.
The blade is splendid temper line.
NBTHK Hozon Paper
Aoi Art estimation paper : whole Oshigata.