Previous answer is
Mumei(Nakajima Rai)
Special feature: Rai Kuninaga was a student of the Rai Kunitoshi
and then he moved to Settsu province Nakajima so he was called
Nakajima Rai.
He was working at Gentoku era and his work is very similar
as sama as Rai Kunimitsu.
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Appraisal Quiz #501 (August 18th, 2018)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged
Blade length : 70.45 cm or 27.73 inches.
Sori : 0.75 cm or 0.29 inches.
Mekugi : 1
Width at the hamachi : 2.96 cm or 1.16 inches.
Width at the Kissaki : 2.27 cm or 0.89 inches.
Kasane : 0.73 cm or 0.28 inches.
Shape : Wide and relatively thick Katana with small Sori.
The Kissaki is long.
Jigane : Ko-Itame Hada well grained with Jinie atatch.
It is beautiful Jigane.
Hamon : Nie Deki, from Hamachi is Suguha and then Choji Midare,
Gunome Midare and Kobushi Choji. Boshi is large round shape.
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