Previous answer is
Special feature: Unsho, Unji, and were working at Bizen Ukai province,
so there are called Ukai school. Unji was a son of Unsho who was working at Shoho,
Bunpo and Kenmu because his name and date was mentioned on the tang.
Unrui is slightly difference between Bizen school
and the blade was influenced Yamashiro and aoe school.
Even though the blade is oosuriage, wazori deep sori.
The jigane has chikei and jihan also utsuri appear and active hamon and bright.
Appraisal Quiz #655 (August 28th, 2021)
Who made this sword do you think ?
Blade length : 53.9 cm or 21.22 inches.
Sori :1.2cm or 0.472 inches.
Mekugi : 1he hamachi :3.2 cm or 1.26 inches.
Width at the Kissaki : 2.36cm or 0.93 inches.
Kasane : 0.78cm or 0.3 inches.
The weight of the sword 620 grams.
Shape : The blade is wide and thick with small sori and longer kissaki healthy blade.
Jigane :Koitame hada well grained with jinie attach and utsuri appear.
Hamon :Konie deki, Choji midare and Juka choji midare
with Ko-Ashi and Yo work Bo-shi is midarekomi yakizume style.
Answer will be posted at next Appraisal Quiz.
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