Previous answer is
Mumei (attributed to Senjuin Yoshihiro)
無銘(伝 千手院義弘)　　　

Features: One of the master craftsmen of the Senjuin school is Senjuin Yoshihiro, who is also believed to be the same individual as Etchu-no-Go Yoshihiro (Go Yoshihiro).
Senjuin Yoshihiro’s works have been designated as Juyo Token and demonstrate the distinctive features of the Soshu tradition to their fullest.
The blades are bright and sharp, with an active sunagashi and kinsuji within the hamon.
Utsuri is also evident, making these works considered masterpieces of the highest caliber.

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Appraisal Quiz #827 (December 28th, 2024)
Who made this sword do you think ?
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Blade Length: 69.8 cm (27.48 in)
Curvature: 1.1 cm (0.43 in)
Mekugi Holes: 2
Width at Base (Motohaba): 3.32 cm (1.31 in)
Width at Tip (Sakihaba): 2.44 cm (0.96 in)
Thickness (Kasane): 0.74 cm (0.29 in)
Weight: 880 g (1.94 lbs)
Shape: A sturdy sword with a wide body, thick construction, shallow curvature, and extended tip.
It has been shortened (suriage) by approximately 1 sun (3 cm).
Jigane: Well-forged ko-itame with a refined appearance.
Hamon: Gonome-midare pattern with well-defined ashi extending into the boshi.

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Answer will be posted at next Appraisal Quiz.

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