Iron tsuba signed Masanaga with NBTHK Hozon Tosogu certification. The tsuba features a design of waves and plovers. The exact Masanaga who made it is unknown, but it is not believed to be from the Bushu School.
mei · Edo









Ito Masanaga
Edo
Signed
Hozon (NBTHK)
Iron-tsuba · Musashi
Iron-tsuba · Musashi
52 pieces on the market now
The Ito school (伊藤派) was a prolific kinkō lineage based in Kanda, Edo, in Musashi province. The line was established by Masanaga (正長, d.
1727), who received appointment as official tsuba maker (kōgi o-kakae tsubashi) to the Tokugawa Shogunate following an audience with Shogun Ienobu in 1710. Successive heads bore the character 正 (Masa-) in their art names, producing ten recorded generations from the Genroku era through the Meiji period. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Katsumi勝見 | — | 4 |
| Sadatsune貞恒 | — | 0 |
| Masayoshi正備 | — | 0 |
| Masatsune正常 | — | 0 |
| Masakane正金 | — | 0 |
Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft value.
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 refund policy. Items must be returned in original condition and packaging; customized products are non-returnable. 2-week inspection window with full item refund (shipping costs non-refundable). Customer pays return shipping.
Iron tsuba signed Masanaga with NBTHK Hozon Tosogu certification. The tsuba features a design of waves and plovers. The exact Masanaga who made it is unknown, but it is not believed to be from the Bushu School.
mei · Edo









Ito Masanaga
Edo
Signed
Hozon (NBTHK)
Iron-tsuba · Musashi
Iron-tsuba · Musashi
52 pieces on the market now
The Ito school (伊藤派) was a prolific kinkō lineage based in Kanda, Edo, in Musashi province. The line was established by Masanaga (正長, d.
1727), who received appointment as official tsuba maker (kōgi o-kakae tsubashi) to the Tokugawa Shogunate following an audience with Shogun Ienobu in 1710. Successive heads bore the character 正 (Masa-) in their art names, producing ten recorded generations from the Genroku era through the Meiji period. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Katsumi勝見 | — | 4 |
| Sadatsune貞恒 | — | 0 |
| Masayoshi正備 | — | 0 |
| Masatsune正常 | — | 0 |
| Masakane正金 | — | 0 |
Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft value.
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 refund policy. Items must be returned in original condition and packaging; customized products are non-returnable. 2-week inspection window with full item refund (shipping costs non-refundable). Customer pays return shipping.