Two courts, sixty years of war, and the most dramatic silhouettes in the sword’s history: broad blades, extended points, true ōdachi later cut down into the majestic katana collectors prize. The Sōshū manner was the style of the age.
This is a Katana attributed to Hoju, from Mutsu province, dating to the early Nanbokucho period (Ryakuo era, around 1338-1342). It is o-suriage mumei (greatly shortened and unsigned) but retains a dignified presence. The blade comes with a gold-plating double habaki, a shirasaya with calligraphy, and an Hon'ami Kōchū origami valuing it at seven gold pieces. It is certified as Tokubetsu Hozon by the NBTHK.
suriage-mumei · Nanbokucho · nagasa 72.42cm · sori 1.51cm













Rikuchu · around 1356-1361
Tōken Taikan top 21%
2 pieces on the market now
Two courts, sixty years of war, and the most dramatic silhouettes in the sword’s history: broad blades, extended points, true ōdachi later cut down into the majestic katana collectors prize. The Sōshū manner was the style of the age.
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteIf, due to our fault, the item differs significantly from its proper condition, the item may be returned. Cooling-off is within one week of the item's arrival.
This is a Katana attributed to Hoju, from Mutsu province, dating to the early Nanbokucho period (Ryakuo era, around 1338-1342). It is o-suriage mumei (greatly shortened and unsigned) but retains a dignified presence. The blade comes with a gold-plating double habaki, a shirasaya with calligraphy, and an Hon'ami Kōchū origami valuing it at seven gold pieces. It is certified as Tokubetsu Hozon by the NBTHK.
suriage-mumei · Nanbokucho · nagasa 72.42cm · sori 1.51cm













Rikuchu · around 1356-1361
Tōken Taikan top 21%
2 pieces on the market now
Two courts, sixty years of war, and the most dramatic silhouettes in the sword’s history: broad blades, extended points, true ōdachi later cut down into the majestic katana collectors prize. The Sōshū manner was the style of the age.
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteIf, due to our fault, the item differs significantly from its proper condition, the item may be returned. Cooling-off is within one week of the item's arrival.