Previous answer is
Chikushu Sanno Ju Sotsutomu Muneshige Gassaku(Mukansa)/Heisei Kyu nen 5 gatsu Hi (May 1997)
Special feature： So Tsutomu is a famous Gendai swordsmith
of Fukuoka pref in Kyushu.
He was born in 1927 and learned under his father So Masamitsu.
So Tsutomu got many prizes at the annual sword making contests and
was approved Mukansa-tosho. He modeled Kiyomaro or Sukehiro very well.
This blade is the best quality Sukehiro-Utsushi by So Tsutomu.
The blade shape is very wide and massive.
And Hamon is perfect Toran-ba without fault,
and activities in ha are very attractive.
Appraisal Quiz #454 (September 2nd, 2017)
Who made this sword do you think ?
Hints. ※The picture will be enlarged
Blade length : 33.5cm or 13.18 inches.
Sori : 0.7cm or 0.27 inches.
Mekugi : 1
Width at the hamachi : 3.0 cm or 1.18 inches.
Kasane : 0.64cm or 0.25 inches.
Shape : The blade is wide and thick longer hirauchi
style wakiazshi which is called Sunnobi Tanto.
Jigane :Koitame hada well grained with jinie attach nice texture.
Hamon :From hamachi, nioideki suguha
and then choji midare hamon Jyuka
choji mixed. Boshi is round shape.
Answer will be posted at next Appraisal Quiz.
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