Ordering number : 19073
Katana in Shirasaya with Koshirae.(NBTHK Hozon Paper)
Signature : Bishu Osafune Ju Yokoyama Sukehisa Saku
Keio 4 Nen 8 Gatsu Hi
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyojyo saku ranking.
The blade was polished.
Habaki : copper single Habaki.
Blade length : 69.8 cm or 27.48 inches.
Sori :1.6 cm or 0.62 inches.
Mekugi : 1
Width at the hamachi : 2.78 cm or 1.09 inches.
Width at the Kissaki : 1.97 cm or 0.77 inches.
Kasane : 0.73 cm or 0.28 inches.
Era : Late Edo period.
Shape : Regular width and thickness Katana with
Jigane : Ko Mokume Hada well grained with Jinie attach.
The Jigane is clear.
There is a Kitae Kizu on the Mune side around near the Habaki.
Hamon : Tight Nioikuchi. From Hamachi is Suguha and then Nioi Deki,
Choji Midare. There are many Ashi. Boshi is round Yakisage style.
Special feature: Bishu Osafune Ju Yokoyama Sukehisa was a student
of Yokoyama Sukekane. His swords is a few Due to he helped his master to make swords.
Saya : Unusual Red color Saya.
Tsuba : Iron Tsuba, pine tree is engraved.
Menuki: Shakudo, a person is engraved with gold color.
Fuchikashira: Shakudo Nanako, Samurai is engraved with gold color.
From Aoi Art: This Hamon reminds of Yokoyama Sukekake.
It looks very similar. From Hamachi is Suguha, and then Nioi Deki,
This is a typical Yokoyama school.
NBTHK Hozon Token
Aoi Art estimation: whole Oshigata.