This is a near-ubu tachi in all but name, attributed to the Ayanokôji school, active in the mid-Kamakura period. It features a long nagasa of 76.0cm, deep koshizori, and a standing-out itame jihada. The blade holds NBTHK Jûyô Tôken certification from the 59th session and has a sayagaki by Tanobe Michihiro.
mumei · Ayanokôji · Bunei (1264-1275) · nagasa 76cm · sori 2.4cm

Yamashiro-den · Yamashiro
9 pieces on the market now
The Ayanokoji school (綾小路) takes its name from the swordsmiths who lived along Ayanokoji street in the Shijo quarter of Kyoto, and the published sources count it, with Awataguchi and Rai, among the three lineages of Yamashiro-den smiths of the Kamakura period. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Sadatoshi定利 | 1232-1233 | 42 |
| Sueyuki末行 | 1303-1306 | 3 |
| Sadanari定業 | 1278-1288 | 0 |
| Sadanori定則 | 1299-1302 | 0 |
| Kuninobu國信 | 1334-1338 | 0 |
A blade of top-grade workmanship and condition, formally judged to rank with a nationally recognized Important Art Object (Jūyō Bijutsuhin). Awarded only at the NBTHK’s competitive annual examination.
Of Japan’s roughly 2.5 million registered swords, only 12,307 (about 1 in 203) have ever attained Jūyō.
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 siteAll swords come with a three-day inspection period beginning from the date of delivery. If not satisfied, the sword may be returned within this period for a full refund of the purchase price. Outside of this period, all sales are final. Swords purchased on a layaway payment plan are not eligible for the three-day inspection period.
This is a near-ubu tachi in all but name, attributed to the Ayanokôji school, active in the mid-Kamakura period. It features a long nagasa of 76.0cm, deep koshizori, and a standing-out itame jihada. The blade holds NBTHK Jûyô Tôken certification from the 59th session and has a sayagaki by Tanobe Michihiro.
mumei · Ayanokôji · Bunei (1264-1275) · nagasa 76cm · sori 2.4cm

Yamashiro-den · Yamashiro
9 pieces on the market now
The Ayanokoji school (綾小路) takes its name from the swordsmiths who lived along Ayanokoji street in the Shijo quarter of Kyoto, and the published sources count it, with Awataguchi and Rai, among the three lineages of Yamashiro-den smiths of the Kamakura period. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Sadatoshi定利 | 1232-1233 | 42 |
| Sueyuki末行 | 1303-1306 | 3 |
| Sadanari定業 | 1278-1288 | 0 |
| Sadanori定則 | 1299-1302 | 0 |
| Kuninobu國信 | 1334-1338 | 0 |
A blade of top-grade workmanship and condition, formally judged to rank with a nationally recognized Important Art Object (Jūyō Bijutsuhin). Awarded only at the NBTHK’s competitive annual examination.
Of Japan’s roughly 2.5 million registered swords, only 12,307 (about 1 in 203) have ever attained Jūyō.
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 siteAll swords come with a three-day inspection period beginning from the date of delivery. If not satisfied, the sword may be returned within this period for a full refund of the purchase price. Outside of this period, all sales are final. Swords purchased on a layaway payment plan are not eligible for the three-day inspection period.