Ordering Number: 24404
Katana in Shirasaya (NBTHK Tokubetsu Hozon Token)
Signature: Ichiryusai Minamoto Sadatoshi Saku 一流斉源貞俊作
We divide swords into 4 categories: Saijyo Saku, Jyojyo Saku, Jyo Saku, and Regular Saku based on the swordsmith's skill.
This particular piece is ranked as Jyojyo Saku for Ichiryusai Minamoto Sadatoshi's work.
Habaki: Single-layered copper habaki
Blade Length: 70.0 cm (27.56 in)
Curvature: 0.8 cm (0.31 in)
Mekugi Hole: 1
Width at Base: 3.28 cm (1.29 in)
Width at Tip: 2.31 cm (0.91 in)
Thickness: 0.74 cm (0.29 in)
Sword Weight: 900 g
Era: the end of Edo period, around 1850.
Shape: wide and thick blade
Jigane: fine Ko-itame hada
Hamon: Suguha and Gunome-midare with deep nioikuchi. Boshi is Midarekomi and Hakikake.
Features: Sasaki Ichiryusai Sadatoshi was a swordsmith in Sendai and he is said to have served to Tougawa Narigaki, the 9the lord of Mito clan. He also made swords in Shiraishi. This sword is a sound piece with a Ububa remaining and a heavy weight.
NBTHK Tokubetsu Hozon Paper
Aoi Art Estimation Paper
Whole Oshigata
Price:500,000JPY