Previous answer is
　　Mumei(judged as Shikkake)
無銘（尻縣)　

Special feature: Shikkake school is one of “Yamato Goha”(five schools from Yamato),
and their characteristics are: mainly Suguha that has Ashi, mixed with Gunome.
Each school made swords for the soldiers from each temple, so each school has their unique and original characteristics.

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Appraisal Quiz #702 (July 30rd, 2022)
Who made this sword do you think ?
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Blade length :67.2 cm or 26.45inches.
Sori : 1.8cm or 0.70inches.
Mekugi : 2
Width at the hamachi : 3.26cm or1.28inches.
Width at the Kissaki : 2.31cm or 0.90inches.
Kasane : 0.63cm or 0.24inches.
The weight of the sword 600 grams
Shape : The blade is broad with deep Sori. The width at Hamachi and the one at Kissaki are similar. Kissaki is longer.
Jigane : Koitamehada is grained well to be beautiful Jigane
Hamon : Niedeki Gunomemidare from Hamachi. Bigger Gunomemidare 10cm from Gunomemidare.
After that, calm Notare. Ashi and Yo work actively in Hachu. Kinsuji works. Ashi comes in a lot. Boshi is Notare and turns back.

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