Period: Early Edo, after 1663.
Mei: Dewa Kami Yukihiro first generation
Sugata: Shinogi-zukuri, tori-zori, iori-mune.
Overall length: 26.38 inches (670.00 mm)
Nagasa: 20.7 inches (520.00 mm) long.
Nakago: Ubu, 5.91 inches (150.00 mm), kuri-jiri, one mekugi-ana. The yasurime are katte-agari.
Kissaki: Chu-kissaki, 1.56 inches (39.53 mm). The boshi is o-maru.
Moto-haba: 1.34 inches (34.07 mm). Moto-gasane: 0.28 inches (7.08 mm). Saki-haba: 0.91 inches (23.20 mm). Saki-gasane: 0.22 inches (5.54 mm).
Sori: 0.55 inches (14.06 mm)
Hamon: Nie-deki gunome midare with thick nie.
Hada: Ko-itame hada. Well grained, with a lot of ji-nie.
Very good polish with very minor surface scratches. As the photographs show, every detail of the workmanship can be seen. No flaws, ware, chips, hagirae or bends.
In shirasaya with two-piece habaki.
Yukihiro (YUK98) born Kurobei in 1617 to the smith Hashimoto Yoshinobu. He was the younger brother of Shodai Hizen Masahiro, and the grandson of Shodai Hizen Tadayoshi, by way of his father's adoption by that smith.
His first work is known to have been made in 1639 at the age of 23. He received the title of Dewa no Daijo in 1648. Around this time he began experimenting with oranda-tetsu (Dutch steel) under the swordsmiths Hisatsugu and Tanenaga in Nagasaki. In 1663 he was awarded the title of Dewa no Kami. Towards the end of his life Yukihiro was serving under Nabeshima Sakyo in the town of Nagase, Yukihiro died in 1683 at the age of 66. His line continued through nine generations of Yukihiro smiths, up to the 1900s.
Yukihiro is ranked as wazamono for a high degree of sharpness in his swords. Hawley gives him 90 points, whilst Fujishiro rates him at Jo-saku for a high degree of quality in his work. He is also rated highly at 550 man yen in the Toko Taikan.
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