Ordering number:AS09156

Katana in Shirasaya (NBTHK Tokubetsu Hozon Token)

Signature: Hizen Koku Ju Omi Daijo Fujiwara Tadahiro
肥前国住近江大掾藤原忠広

Rating: Jyojyo Saku (classified as O-wazamono for sharpness)
Habaki: Copper single-layered habaki
Blade Length: 71.3 cm (28.07 in)
Curvature: 1.6 cm (0.63 in)
Mekugi Holes: 1
Width at Base (Motohaba): 3.13 cm (1.23 in)
Width at Tip: 2.11 cm (0.83 in)
Thickness: 0.79 cm (0.31 in)
Sword Weight: 770 g (1.70 lbs)
Shape: A wide blade with a thick kasane and a slightly deep curvature, featuring an extended kissaki, showcasing a robust and balanced appearance.
Jigane: Hizen-style steel with a refined ko-itame hada, showing excellent consistency. It includes Hizen-specific features such as konuka-hada and ji-nie formations.
Hamon: A suguha pattern with a deep nioiguchi, crafted with ko-nie and featuring subtle ashi. The ji-hada includes visible chikei, adding depth and character to the blade.

Features: This katana by Omi Daijo Fujiwara Tadahiro is estimated to be from the Keian era. The mei is finely inscribed, and the nakago features a distinctive ken-shaped style. Hizen blades are renowned for their unique chikei and finely packed konuka-hada, standing apart from swords made in regions like Bungo and Kumamoto. It is suggested that the influence of the Nabeshima clan played a significant role in the secretive production of Hizen swords, adding an air of mystery to their creation. The beauty of Hizen blades is considered unparalleled.

Aoi Art’s Comment: Known as Hashimoto Shinzaemon, Tadahiro assumed the name after his father’s passing in Kan’ei 9 (1632). At the age of 19, he received the title Omi Daijo in Kan’ei 18 (1641). He produced numerous masterpieces over the decades until his passing on May 28, Genroku 6 (1693).

NBTHK Tokubetsu Hozon Token
Aoi Art Estimation Paper
Whole Oshigata

Auction Starting Price:1,500,000JPY

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