Ordering Number: AS24624

Katana: Shirasaya with Koshirae (NBTHK Tokubetsu Hozon Token)

Signature: Yokoyama Sukehisa Saku Kore　横山祐久作之　
Ansei 5 Nen 2 Gatsu Hi 安政五年二月日　　(February 1858)
Biyo Osafune Go　備陽長船郷
　
Shinto: Ranked as Jyojyo Saku (Superior Work).
(We divide swords into four ranks: Saijyo Saku, Jyojyo Saku, Jyo Saku, and Regular Saku.)
This work is ranked as Jyojyo Saku for Yokoyama Sukehisa.

Habaki: Single copper
Blade Length: approximately 69.2 cm (27.24 in).
Curvature: 2.1cm(0.82 in)
Mekugi Hole: 1
Width at Base (Motohaba): 2.76 cm (1.09 in)
Width at Tip (Sakihaba): 1.74 cm (0.69 in)
Thickness (Kasane): 0.61 cm (0.24 in)
Sword Weight: 620 g
Era: the end of Edo period 1858
Shape: wide and thick blade withdeep curveture and long kissaki.
Jigane: fine Ko-itame hada looks plain
Hamon: Nioi-deki Gunome and Choji. Boshi is rounded.

Features: Yokoyama Sukehisa was a swordsmith in the end of Edo period. Yokoyama school created intricate Gunomemidare reminiscent of petals . There is some faint rust on the lower half as shown in the photo, but we will remove it before shipping.

Koshirae Details: unified with Shibuichi or silver
Tsuba: Circular Shibuichi(silver-copper alloy) tsuba with peony and Shishi-dog with inlay.
Fuchikasira: Shibuichi, a picture of peony.
Kurikata: Shibuichi, a picture of Shishi-dog.
Menuki: a picture of Shishi-dog.

NBTHK Tokubetsu Hozon Ceretificate
Aoi Art Estimation Paper
Whole Oshigata

Auction Starting Price:1,100,000JPY