Previous answer is
　　 Bishu Osafune Morimitsu/Ouei 25 Nen 8 Gatsuhi

Special feature:BishuOsafune Morimitsu is a group of swordsmiths who go to the
highest peak of Oei Bizen with Bishu Osafune Yasumitsu, Morimitsu both swordsmithes
are good but Morimitsu is well known at turbulent(Midareba) blades and Yasumitsu is
good at straight suguha hamon. Both of them made extremely nice texture high ranking
wordsmiths.
At first glance, the characteristics of this group are reminiscent of the Kamakura period's
Ichimonji group and Osafune school items, but the characteristic of Ichimonji is that it
has a textured texture with a grain of wood and a variety hamon with an Koshihiraki
hamon . It shows the features well.

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Appraisal Quiz #630 (March 5th, 2020)
Who made this sword do you think ?
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Blade length :　　62.2cm or 24.4 inches.
Sori : 1.1cm or 0.43 inches.
Mekugi : 　2
Width at the hamachi : 2.85cm or 1.12 inches.
Width at the Kissaki : 0.23cm or 0.09 inches.
Thickness : 0.76cm or 0.29 inches.
The weight of the sword 555 grams.
Shape : Katana with shape like Naginata. Regular width and thickness, longer Kissaki.
Jigane : Ko-Itame-Hada well grained.. Jinie attached and Utsuri appeared. beautiful Jigane.
Hamon : Niedeki-Suguha based with Ko-Gunome-Midare. Ashi, Yo worked.

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