Sword Specifications
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Maker: Ichiryūshi Nagamitsu
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Period: Shōwa Era (1926–1989)
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Certificate: NBTHK Hozon
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Blade Length: 65.2 cm
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Curvature: 1.7 cm
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Width at Base: 3.25 cm
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Width at Tip: 2.2 cm
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Thickness at Base: 0.66 cm
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Thickness at Tip: 0.6 cm
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Blade Weight: 748 g
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Total Length with Mountings: 104.7 cm
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Total Weight with Mountings: 1,002 g
The blade features a refined hada (grain structure), showcasing a meticulously polished steel surface. The hamon (temper line) is distinct and sharp, reflecting the expert heat treatment used to harden the edge. This katana has been professionally polished and is fully functional for cutting, making it suitable for test cutting (tameshigiri) and martial arts practice.
The blade also exhibits a well-balanced curvature of 1.7 cm, enhancing both its cutting ability and aesthetic appeal. The steelwork is described as Jiba Saeru, meaning both the grain and tempered edge are highly refined, sharp, and visually striking.
About the Swordsmith - Ichiryūshi Nagamitsu
Ichiryūshi Nagamitsu was a renowned swordsmith active during the Taishō to Shōwa era. Serving as the warden of Okayama Prison, he established a sword-forging facility within the prison, dedicating himself to the art of blade-making. His bold and charismatic nature made him a well-respected figure, captivating those who met him. Despite being a single-generation smith, he produced numerous exceptional works, showcasing his high level of craftsmanship. Known for creating swords with remarkable sharpness, his blades gained significant popularity, though only a limited number of his works exist today. Due to their rarity, his swords are highly sought after and quickly acquired whenever they surface.
