This katana is attributed to the Chikuzen Nobukuni school by the NBTHK, as confirmed by a current Hozon appraisal. The mumei (unsigned) and suriage (shortened) blade features a bright ko-itame jihada and a suguha-chō hamon with ko-nie and ashi. It is housed in a black urushi koshirae with a gold-inlaid iron tsuba and crested fittings, presenting a dignified samurai mounting.
Certificate reading — 無銘（筑前信国）
NihontoWatchBETAmumei · Chikuzen Nobukuni · Edo · nagasa 69.4cm · sori 1.2cm
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 site30-day money-back guarantee from receipt; items must be unused, complete, in original packaging. Sale items Final Sale. Antique swords non-returnable (Japanese export law). Damage reported within 72 hours. Customer pays return shipping unless seller error/defect. Refunds within 14 days of inspection.
This katana is attributed to the Chikuzen Nobukuni school by the NBTHK, as confirmed by a current Hozon appraisal. The mumei (unsigned) and suriage (shortened) blade features a bright ko-itame jihada and a suguha-chō hamon with ko-nie and ashi. It is housed in a black urushi koshirae with a gold-inlaid iron tsuba and crested fittings, presenting a dignified samurai mounting.
Certificate reading — 無銘（筑前信国）
NihontoWatchBETAmumei · Chikuzen Nobukuni · Edo · nagasa 69.4cm · sori 1.2cm
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 site30-day money-back guarantee from receipt; items must be unused, complete, in original packaging. Sale items Final Sale. Antique swords non-returnable (Japanese export law). Damage reported within 72 hours. Customer pays return shipping unless seller error/defect. Refunds within 14 days of inspection.
