• Signature (Mei): Mumei (unsigned)
• Period : (late Kamakura–Nanbokuchō style)
• Mounting: Shirasaya with red-lacquer inscription; fitted with habaki (25.2 g)
• Blade Length (Nagasa): 69.7 cm
• Curvature (Sori): 1.9 cm
• Mekugi-ana: 1
• Shape: Shinogi-zukuri
• Jihada: Distinctive Norishige-hada (matsukawa/pine-bark style) with dense nie, chikei & sunagashi
• Blade Weight: approx. 610 g (bare blade)
• Habaki Weight: approx. 25.2 g
• Saya Overall Length: approx. 97.3 cm
• Motohaba / Motokasane: 2.956 cm / 0.617 cm
• Sakihaba / Sakikasane: 1.991 cm / 0.397 cm

A rare koto katana with Norishige-hada also called matsukawa (“pine-bark”) grain. The blade presents a robust shinogi-zukuri form at 69.7 cm with 1.9 cm of sori, healthy proportions, and lively ji activity packed with thick nie, flowing sunagashi, and fine chikei.

Supplied in a tasteful shirasaya with red-lacquer inscription.

• Shirasaya: Plain wood shirasaya bearing red-lacquer sayagaki-style characters
• Habaki: Fitted; weight approx. 25.2 g
• Saya Length: approx. 97.3 cm overall