Description
ITEM DESCRIPTION:
Comes with kimono or cotton bag. Comes with certificate of supein Nihonto. Comes with original prefecture certificate.
1. Torokusho — Literal translation
Prefecture: Fukui
Registration number: No. 649
Type: Katana
Blade length: 60,3 cm
Curvature: 2 cm
Mekugi-ana: 1
Registered signature:
Omote: Bishū Osafune Sukesada (備州長船祐定)
Registration date: August 10th, 1979
2. Signature (mei)
The blade is signed:
Bishū Osafune Sukesada
(備州長船祐定)
The signature matches exactly what appears in the torokusho.
3. Blade (Hontō)
From the visible photographs:
Jihada:
Clear forging patterns with laminated and swirling textures, visible throughout the ji.
Hamon:
A straight suguha hamon, steady and even.
Polish:
Professional Japanese polish, allowing hada and hamon to be seen clearly.
Habaki:
Metal habaki with cross-hatched engraving.
Geometry:
Long blade (69.7 cm) with notable curvature (2.85 cm), offering an elegant profile.
4. Saya — High-level artistic work
A striking saya:
Glossy black lacquer
Wide raden (mother-of-pearl) floral inlay:
Large iridescent nacre pieces forming flowers
Thin black outlines emphasizing petals
Red hand-painted motif on the opposite side
This saya is visually outstanding and represents antique decorative work.
5. Tsuka
Black tsuka-ito
White samegawa
Menuki: bronze with gold and silver foil contemporany
Fuchi-kashira: bronze with gold/silver foil, finely carved contemporany
6. Tsuba
Iron
Traditional shape with natural old patina
Edo period
7. Shirasaya with sayagaki
Full shirasaya in light wood
Calligraphic sōsho writing
Includes measurements and collector notes
8. Overall set
The complete package includes:
Blade signed Bishū Osafune Sukesada
Artistic saya with raden floral inlay
High-quality fittings in bronze with gold/silver contemporany
Shirasaya with sayagaki
Original torokusho
Aesthetic and collectible presence

























