Wakizashi "Ujinobu Gammaku"
blade length 45.8cm, curvature 0.9cm, thickness at the base 7.5mm, width 3.0cm
Steel is visible wood grain layer pattern.
Hamon is gunome pattern made of large particles. The hamon is bright and the temper line is tight. It is a typical style of Mino tradition. Some jumping hamon (tobi-yaki) also appears. The hamon in kissaki is sweeping pattern. The total taste of the hamon is very wild.
Utsuri is very clear at the starting, and it runs as shirake pattern to the half way of blade length, and then it goes into the shinogi-ji. It shows the good quality of steel and proper hardening work.
The steel with utsuri and the hamon shows typical style of Mino tradition in Koto period. But it is difficult to judge the age, since the shape looks like Shinto and the hamon pattern can be see as a copy of Osaka shinto. But the quality is quite different from Osaka shinto. Anyway, such a good quality blade is rare in Shinto period.
Polishing is the classical style (sashikomi), and the work is good.
Signature "Ujinobu Gammaku"
"Gammaku" is a school in Mino in Koto period. It is famous for good utility as weapon. If this is a shinto, the smith Ujinobu kept the quality of koto blade.
Shirasaya and bag
Paper by Fujishiro is added. He says it is a shinto in "Kambun" era (1661~1673).
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