AS25311 Katana: Hirotsugu (Soshu) (NBTHK Hozon Token)

Katana in Shirasaya (NBTHK Hozon Token)

Signature: Hirotsugu (Soshu)
廣次（相州）

Sue-Koto Jyo Saku: Sagami.
We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This work is ranked as Jyo Saku for Hirotsugu.
Habaki: Double gold foil Habaki
Blade Length: 68.1 cm (26.81 in)
Curvature: 1.2 cm (0.47 in)
Mekugi Hole: 2
Width at Base (Motohaba): 2.93 cm (1.15 in)
Width at Tip (Sakihaba): 2.11 cm (0.83 in)
Thickness: 0.66 cm (0.26 in)
Sword Weight: 745 g
Era: Muromachi period, from Meiō to Eishō era (1492–1521)
Shape: Suriage with machi-okuri, slightly wide mihaba, thick kasane, deep curvature, and broad kissaki.
Jigane: Small ko-itame hada, well forged, visible grain, becoming a beautiful jigane.
Hamon: Well-aligned gunome-midare on both sides, becoming larger in midsection, with active activities inside the ha.

Features: Hirotsugu lived in Soshu, with works from Meiō to Eishō eras. The jihada shows the flowing pattern typical of Soshu works, beautifully done.

NBTHK Hozon Token Certificate.
Aoi Art estimation paper: Whole Oshigata