Description
Authentic Nihontō Japanese Sword Katana Signed by Bishu Osafune Sukesada 備州長船祐定 NBTHK HOZON TŌKEN Certificate
Among the swordsmiths of the late Muromachi period, known as Sue-Bizen, many swords were signed with the name 祐定 (Sukesada). Among these, swords made by 与三左衛門尉 (Yozzaemonjo), 源兵衛尉 (Genbejo), and 彦兵衛尉 (Hikoheijo) are famous. During the Sengoku period, when there was a high demand for swords, many Bizen swords were forged for numerous battles. There is a negative practice in the sword world of belittling Sue-Bizen swords without a common name, calling them mass-produced and inferior. However, these were not crudely made. In fact, many of these unsigned works show remarkable craftsmanship, with some even being of a quality that could be attributed to a specific swordsmith.
This sword, with its Mokume-hada flowing into Masame, showing a faint Utsuri and a Hamon of Gunome, exemplifies the typical style of Sue-Bizen. It is a newly unearthed piece from an old family in Osaka. The sword was initially covered with a light rust, but at our shop, it underwent high-grade polishing, the addition of a Shirasaya, silver Habaki, silver Seppa, Koshirae repairs, and preservation sword appraisal, among other processes. Considering these costs, the price may seem high, but if an individual were to undertake the same procedures, it would easily exceed 400,000 yen. Taking that into account, this sword is a great bargain. This well-crafted and dated Sukesada, which requires no further work, is a must-have.
During the Greater East Asia War, this family heirloom Sukesada was carried as a military sword, and a Sarute ring was attached near the Kashira. The leather cover for field use was removed at our shop, and all damaged areas were repaired with domestic lacquer. The polishing was done by a master polisher who has won awards at competitions hosted by the Nihon Bijutsu Token Hozon Kyokai.
Bare weight: 735 grams. Weight when sheathed: 1,078 grams.
Nihontō Information
| Name 名称 | 備州長船祐定 天正二年八月日 - Bishu Osafune Sukesada - |
| Blade Length 刀長 | 二尺三寸一分六厘 / 70.04 cm |
| Sori 反り | 五分六厘 / 1.71 cm |
| Blade Width 元幅 | 30.4 mm |
| Blade Thickness 元重 | 6.4 mm |
| Tip Width 先幅 | 物打24.1 mm 横手位置21.2 mm |
| Tip Thickness 先重 | 物打5.1 mm 横手位置5.0 mm |
| Mekugi-ana 目釘穴 | 1個 |
| Age 時代 | 天正二年（1574）The latter period of Muromachi era (16th Century) |
| Certificate 鑑定書 | 保存刀剣鑑定書(NBTHK HOZON TOKEN Certificate) |
| Registration 登録 | 平成18年6月13日 大阪府登録 Registered on June 13, 2006, in Osaka Prefecture |
| Included 附属 | 銀はばき (Silver Habaki) |
| 腰茶石目黒石目塗鞘打刀拵 (Koshicha ishime black ishime lacquered saya with uchigatana koshirae) | |
| 白鞘 / 継木 (Shirasaya Case with Tsugiki) |
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