This is a masterpiece Tachi by Konaminohira from the late Heian period, around the Genryaku era. It features a standard mihaba, koshizori, and a small kissaki, characteristic of noble tachi from that period. The blade exhibits a well-forged jigane with a fine nie-deki hoso-suguha hamon, showing an elegant and ancient charm.
NihontoWatchmei · Koto · nagasa 70.1cm · sori 1.3cm
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 siteReturns/exchanges/cancellations not accepted after shipment except for significant defects; if defective, return/exchange possible within 3 days of arrival (return shipping paid by customer).
This is a masterpiece Tachi by Konaminohira from the late Heian period, around the Genryaku era. It features a standard mihaba, koshizori, and a small kissaki, characteristic of noble tachi from that period. The blade exhibits a well-forged jigane with a fine nie-deki hoso-suguha hamon, showing an elegant and ancient charm.
NihontoWatchmei · Koto · nagasa 70.1cm · sori 1.3cm
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 siteReturns/exchanges/cancellations not accepted after shipment except for significant defects; if defective, return/exchange possible within 3 days of arrival (return shipping paid by customer).