This is a freshly polished katana, considered an excellent work with a beautiful form and moist hada. It features a vibrant hamon with gunome midare, island-like patterns, tamayaki, tobiyaki, and large choji, all in nie-deki. The blade is unsigned (mumei) and attributed to various schools including Ichimonji Norimune, Shimada Tomoshige, and the Shimada school, making it a challenging piece for attribution.
NihontoWatchmumei · Koto · nagasa 68.6cm · sori 2.1cm
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 siteThis is a freshly polished katana, considered an excellent work with a beautiful form and moist hada. It features a vibrant hamon with gunome midare, island-like patterns, tamayaki, tobiyaki, and large choji, all in nie-deki. The blade is unsigned (mumei) and attributed to various schools including Ichimonji Norimune, Shimada Tomoshige, and the Shimada school, making it a challenging piece for attribution.
NihontoWatchmumei · Koto · nagasa 68.6cm · sori 2.1cm
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 site