Katana - Mumei(No Signature) - NBTHK Tokubetsu Hozon Certificate(Ko-uda) - Uchigatana/Shirasaya Koshirae - Ubu Nakago - Koto Era -Tokyo 327741

¥2,200,000

We have just received an unsigned katana with a long blade that is highly valued for its Tokubetsu Kicho appraisal by the Society for Preservation of Japanese Art Swords.

The condition of the sword is free of rust, dents and chips, but there are some minor forging flaws. The jigane has bright mokume beautifully mixed with itame, and yubashiri and chikei are also visible. Hamon has ko-gunome and sharply pointed choji in a relaxed notare. Hataraki such as sunagashi and kinsen can also be seen. This piece is unsigned, but in August 2024 the Society for Preservation of Japanese Art Swords issued a certificate of authenticity to this piece, recognizing it as a katana of the Ko-uda(Old Uda) school and a wonderful piece that should be specially preserved for future generations.

The Uda school is so called because its founder was Kunimitsu, who was active in the late Kamakura period and moved from the Uda school in the Yamato country to various places. The Uda school is characterized by Yamato-Den and also features some styles similar to those of Soshu-Den. The Uda school produced masters such as Kunifusa, Kunimune and Kunitsugu during the period of the Northern and Southern Dynasties(Nanbokucho period) and flourished until the end of the Muromachi period. Among these works, those produced from the end of the Kamakura period to the Nanboku-cho period are called Ko-uda.

The koshirae of the Uchigatana is of a martial style befitting this type of sword and exudes the spirit of a samurai. The brown silk tsuka cord is wrapped in the tsumami-maki style. The fuchikashira and menuki are detailed and we assume that they were equipped after the Edo period.

Now you have the opportunity to own an extraordinary katana from a time when cavalry was the main form of warfare, equipped with an Edo period koshirae, plus a special piece authenticated by Tokubetsu Kicho.

You should not miss this masterpiece.

  • Blade length: 78.2 cm
  • Curvature: 2.9 cm
  • Number of Mekugi hole: 1
  • Sakihaba: 8.0 mm
  • Sakikasane: 4.2 mm
  • Motohaba: 31.6 mm
  • Motokasane: 7.4 mm
  • Signature: No signature
  • Era: Koto
  • Structure: Shinogi-zukuri, Iori-mune
  • Jigane: Itame with Mokume mixed in
  • Hamon: Notare with Ko-gunome and Choji
  • Boshi: Massugu Haitte Omaru ni Kaeru
  • Weight(blade only): 830 g
  • Nakago: Ubu
  • Koshirae: Brown silk Tsuka with black Kuro-ro lacquered Saya, Shirasaya
  • Original Registration No.: Tokyo 327741

Please contact us if the katana you are looking for is not listed here.

Voices of Authentic Craftsmanship

The quality of the blade and the simplicity of the shirasaya mount truly reflect traditional Japanese mastery. A beautiful and meaningful addition to my collection.

James Holloway

The natural wood finish and clean design highlight the beauty of the blade perfectly. Exactly what I was looking for.

Daniel Fischer,

Rooted in Centuries of Craftsmanship

Every blade reflects generations of knowledge, discipline, and precision passed down through traditional Japanese swordmaking. From the forging of steel to the final finishing touches, each piece is shaped with patience, mastery, and deep respect for heritage.

Authenticity in Every Detail

From carefully selected materials to the refined finishing of every surface, each sword is crafted and presented with uncompromising attention to detail. Our commitment to authenticity ensures every piece reflects true tradition, lasting quality, and enduring cultural value.

Precision Shaped by Tradition

Designed with balance, simplicity, and purpose, our blades embody the harmony between refined form and skilled craftsmanship. Each sword represents a thoughtful union of strength, elegance, and the timeless discipline of Japanese artisans.

Forged in Tradition. Defined by Precision.

Forged in Tradition. Defined by Precision.

Discover authentic Japanese blades crafted with discipline, balance, and generations of timeless craftsmanship.