AS24557 Katana: Hizen Koku Tadayoshi (8th generation)(NBTHK Tokubetsu Hozon Token)

Katana in Shirasaya with Koshirae (NBTHK Tokubetsu Hozon Token)
Signature: Hizen Koku Tadayoshi 肥前国忠吉 (8th generation)

(We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku, and Regular Saku). This work is ranked as Jyojyo Saku among works by the 8th generation Tadayoshi.

Habaki: Gold-plated, double-layered
Blade Length: 2 shaku 2 sun 9 bu 5 rin (69.4 cm/27.3in)
Curvature: 6 bu 5 rin (1.97 cm / 0.78 in)
Mekugi Hole: 1
Width at Base (Motohaba): 3.07 cm (1.21 in)
Width at Tip (Sakihaba): 2.06 cm (0.81 in)
Thickness: 0.52 cm (0.20 in)
Sword Weight: 685 g
Era: Ansei era of the Edo period
Shape: Katana with small curveture and big Kissaki.
Jigane: extremely fine Ko-itame hada
Hamon: Nie base thick and soft Suguha with intense Nie making complicated patten like Ashi, Yo and Sunagashi.

Koshirae:
Tsuba: Circular shakudo Tsuba
Fuchikashira: Shakudo nanako plate with carving of Shishi-dog.
Menuki: a picture of peony

NBTHK Tokubetsu Hozon Certificate
AoiArt estimation paper
Whole Oshigata