This is a Suesa wakizashi from the Nanbokucho period. It features a magnificent Naginata-Naoshi shape, blackish clear Jigane, Utsuritachi, Kinsuji, and Niesuji-kakaru. It comes with full Shibuichi metal fittings and a koshirae.
mei · Nanbokucho · nagasa 46.6cm · sori 1.2cm

Soshu-den · Chikuzen
12 pieces on the market now
In Chikuzen Province, on the northern coast of Kyushu, the Sa school (左, the Samonji line) took shape in the early Nanbokucho period as a deliberate break with the Kyushu work that came before it. Its founder, the smith who cut the single character 左 on his tang, is read in the published sources as Saemon Saburo, commonly called O-Sa or Samonji; he is placed as the grandson of Sairen and son of Jitsua, the old Chikuzen line whose steel, in the words the NBTHK restates blade after blade, ran sunken and rustic in a restrained suguha inherited from Yamato. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Sa左 | 1334-1338 | 74 |
| Yasuyoshi安吉 | 1346-1370 | 46 |
| Yoshisada吉貞 | 1345-1359 | 48 |
| Kunihiro國弘 | 1346-1370 | 51 |
| Hiroyasu弘安 | 1346-1370 | 24 |
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 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 Suesa wakizashi from the Nanbokucho period. It features a magnificent Naginata-Naoshi shape, blackish clear Jigane, Utsuritachi, Kinsuji, and Niesuji-kakaru. It comes with full Shibuichi metal fittings and a koshirae.
mei · Nanbokucho · nagasa 46.6cm · sori 1.2cm

Soshu-den · Chikuzen
12 pieces on the market now
In Chikuzen Province, on the northern coast of Kyushu, the Sa school (左, the Samonji line) took shape in the early Nanbokucho period as a deliberate break with the Kyushu work that came before it. Its founder, the smith who cut the single character 左 on his tang, is read in the published sources as Saemon Saburo, commonly called O-Sa or Samonji; he is placed as the grandson of Sairen and son of Jitsua, the old Chikuzen line whose steel, in the words the NBTHK restates blade after blade, ran sunken and rustic in a restrained suguha inherited from Yamato. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Sa左 | 1334-1338 | 74 |
| Yasuyoshi安吉 | 1346-1370 | 46 |
| Yoshisada吉貞 | 1345-1359 | 48 |
| Kunihiro國弘 | 1346-1370 | 51 |
| Hiroyasu弘安 | 1346-1370 | 24 |
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 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).