Previous answer is
Bizen Osafune ju Shigemasa
Date: December, 1334 (Kenmu 1)
備州長船住重真
建武元年十二月日

Features: Osafune Shigemasa was a swordsmith active from the late Kamakura period (1185-1333) to the early Nanbokucho period (1336-1392), and is said to have been either the younger brother or a disciple of Motomasa, with a similar style of workmanship.

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Appraisal Quiz #884 (February 4th, 2026)
Who made this sword do you think ?
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Blade Length: 65.1 cm (25.63 in).
Curvature: 1.1 cm (0.43 in).
Mekugi Hole: 2.
Width at Base (Motohaba): 3.32 cm (1.31 in).
Width at Tip (Sakihaba): 2.62 cm (1.03 in).
Thickness (Kasane): 0.69 cm (0.27 in).
Sword Weight: 785 g.
Shape: The kissaki is largely extended, giving the blade a robust appearance.
Jigane: The steel is well forged with rich moisture, showing utsuri, and forms a refined jigane.
Hamon: Gunome-midare with well-working ashi toward the kissaki. In particular, the hamon forms saka-choji, with active ashi and prominent utsuri. The boshi is gunome-choji with well-entered ashi

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