Previous answer is
Mumei (Judged as Ryo-kai) 了戒
Features: Ryokai was the swordsmith in the mid to late Kamakura peiod in the Yamashiro province. He was said to be the son or brother of Rai Kunitoshi. He work have elegant shape and Shinogi is wide.
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Appraisal Quiz #773 (December 16th, 2023)
Who made this sword do you think ?
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Blade length :69.7 cm or 27.44 inches.
Sori :1.4 cm or 0.55 inches.
Mekugi : 2
Width at the hamachi : 3.31 cm or 1.30 inches.
Width at the Kissaki : 2.50cm or 0.98 inches.
Kasane : 0.7 cm or 0.27 inches.
The weight of the sword 845 grams
Shape : Wide and thick Katana with moderate Sori.
There are Bo-Hi on both side of the blade.
Jigane : Itame Hada, Hadadachi. There are Shirake Utsuri.
Hamon : Nie Deki, Suguha Hamon with Ko Ashi and Yo.
Boshi is Midarekomi and Hakikake style.
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