Previous answer is
　Izu Mishima Ju Yusuishin Sadayoshi Saku Kore(Mukansa sword smith)
伊豆三嶋住湧水心貞吉作之　　(無鑑査刀匠)
Showa Hinoto U 8 Gatsu(1987)
昭和丁卯八月 (ひのとう)昭和62年 1987年

Special Feature: Izu Mishima Ju Yusuishin Sadayoshi, whose real name is
Enomoto Yoshiichi, lived in Mishima and became Mukansa sword smith.
He had been awarded for several awards for 6 times. He was a pupil of Gassan Sadakatsu,
and learned Soshuden, Bizenden, and Ayasugihada:
he was really skilled. He was famous for Mukansa sword smith, and he could trace all kinds of schools.

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Appraisal Quiz #710 (October 1st, 2022)
Who made this sword do you think ?
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Blade length : 54.0 cm or 21.25 inches.
Sori :1.0 cm or 0.39 inches.
Mekugi : 2
Width at the hamachi : 3.17cm or 1.24 inches.
Width at the Kissaki : 2.67cm or 1.05 inches.
Kasane : 0.65cm or 0.25 inches.
The weight of the sword : 590 grams
Shape : Wide and thick blade with deep Sori, longer Kissaki.
There are Bo-Hi on both side of the blade.
Jigane : Ko Itame Hada and Ko Mokume Hada mixed. There are Utsuri.
Hamon : Nie Deki, Suguha Hamon with thick Nioikuchi.
There are Ashi and Yo. Boshi is Midarekomi and small round shape.

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