Bizen Kiyomitsu Katana with ww2 Shingunto Koshirae NTHK Certificate

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Katana

Unsigned Den Bishū Osafune Kiyomitsu (伝備州⻑船清光) ‒ Attributed to Osafune
Kiyomitsu from Bizen province

Blade length ~ 69.1 cm

Shape: shinogi-zukuri, iori-mune

Forging: rough itame

Hamon (刃紋) ‒ Hardening: chū-suguha with a “wet looking” nioiguchi

Bōshi (鋩⼦) ‒ Hardening in tip: sugu with a ko-maru-kaeri

Tang: mekugi-ana (⽬釘⽳) 1, yasurime (鑢): kiri

Made around Tenshō (天正, 1573-1592)