Hozon Tsuki Katana Mumei Den Soshu Hiromasa Product Number 31-2186 Katana Den Soshu HIROMASA Country/Era Soshu, around Oei era, Muromachi period In Shirasaya Nagasa 64.5cm (2 shaku 1 sun 3 bu) Sori 2.0cm (6 bu 5 rin) Motohaba 2.73cm Sakihaba 2.18cm Motokasane 5.2mm Sakikasane 4.3mm Toshin Juyo Bare blade 600g Nakago Suriage Mekugi-ana 2 Hamon Gunome Choji Price 880,000 Yen (Tax included) The first generation Hiromasa is said to be from the Nanbokucho period, but no extant works exist. This work is likely the third generation Hiromasa from the Oei era. Regarding the hamon, the area near the habaki has hitatsura tendencies with active ashi and yo, and nie-ashi extending to the edge of the blade. The jigane is a well-refined ko-itame hada, showing excellent workmanship.
Certificate reading — 無銘(相州広正)
mumei · Soshu · Koto · nagasa 64.5cm · sori 2cm

















Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.
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 sitePlease request cooling-off within 8 days of the item's arrival. Items that have been altered cannot be handled. Return shipping is the customer's responsibility. If the destination is overseas, returns and refunds are not available.
Hozon Tsuki Katana Mumei Den Soshu Hiromasa Product Number 31-2186 Katana Den Soshu HIROMASA Country/Era Soshu, around Oei era, Muromachi period In Shirasaya Nagasa 64.5cm (2 shaku 1 sun 3 bu) Sori 2.0cm (6 bu 5 rin) Motohaba 2.73cm Sakihaba 2.18cm Motokasane 5.2mm Sakikasane 4.3mm Toshin Juyo Bare blade 600g Nakago Suriage Mekugi-ana 2 Hamon Gunome Choji Price 880,000 Yen (Tax included) The first generation Hiromasa is said to be from the Nanbokucho period, but no extant works exist. This work is likely the third generation Hiromasa from the Oei era. Regarding the hamon, the area near the habaki has hitatsura tendencies with active ashi and yo, and nie-ashi extending to the edge of the blade. The jigane is a well-refined ko-itame hada, showing excellent workmanship.
Certificate reading — 無銘(相州広正)
mumei · Soshu · Koto · nagasa 64.5cm · sori 2cm

















Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.
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 sitePlease request cooling-off within 8 days of the item's arrival. Items that have been altered cannot be handled. Return shipping is the customer's responsibility. If the destination is overseas, returns and refunds are not available.