Description
Authentic Nihontō Japanese Sword Katana Attributed to Uda 宇多 NBTHK HOZON TOKEN Certificate
The 宇多派 (Uda school) originated in the late Kamakura period around the Bunpo era when 古入道国光 (Ko Nyudo Kunimitsu) moved from Yamato Province's Uda District to Echizen Province. The school continued to prosper through the Muromachi period. Notably, works from the late Kamakura to the Nanbokucho period are referred to as 古宇多 (Ko Uda), while works from the Muromachi period are referred to as 宇多 (Uda).
This sword has an elegant shape with a pronounced difference in width between the base and tip. The steel has a ko-itame (small wood grain) pattern with kashira-tachi (visible grain), and the hamon is a suguha style with small waves, showing features such as sunagashi and kinsuji throughout the blade.
For those interested, we can provide a newly crafted martial koshirae supervised by our shop owner, Machii Isao. The fittings feature a katsumushi (victory insect) design, the saya is lacquered in black, and the handle is wrapped in silk ito with a shijira-maki (twist wrap) style.
*The koshirae photos are for reference only.
Bare weight: 630 grams. Expected weight with koshirae: approximately 900 grams.
Nihontō Information
| Name 名称 | 無銘（宇多） - Mumei（Uda） |
| Blade Length 刀長 | 二尺三寸五分六厘弱 / 71.4 cm |
| Sori 反り | 五分六厘 / 1.7 cm |
| Blade Width 元幅 | 30.6 mm |
| Blade Thickness 元重 | 6.0 mm |
| Tip Width 先幅 | 物打22.8 mm 横手位置18.0 mm |
| Tip Thickness 先重 | 物打4.7 mm 松葉位置3.1 mm |
| Mekugi-ana 目釘穴 | 2個 |
| Age 時代 | 室町中期～後期 The middle ～ latter period of Muromachi era (14th to 16th century) |
| Certificate 鑑定書 | 保存刀剣鑑定書(NBTHK HOZON TOKEN Certificate) |
| Registration 登録 | 昭和32年9月19日 香川県登録 Registered on September 19, 1957 in Kagawa Prefecture |
| Included 附属 | 素銅地二重はばき (Copper double habaki) |
| 白鞘 / 簡易継木 (Shirasaya Case / Simple replacement wood) | |
| 黒蝋塗鞘打刀拵 (Black lacquered saya uchigatana koshirae) |
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