Ordering number : 20176
Katana in Shirasaya with Koshirae.(NBTHK Tokubetsu Hozon Token)
Signature : Bizen Koku Osafune Ju Yokoyama Sukekane Saku
Meiji 3 Nen 2 Gatsu Hi Tomonari 58 Dai Mago
(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular saku)
This sword belongs to Jyo-jyo saku ranking.
The blade was polished.
Habaki : Gold foiled single habaki.
Blade length : 67.4 cm or 26.53 inches.
Sori : 1.8 cm or 0.70 inches.
Mekugi : 1
Width at the hamachi : 3.07 cm or 1.20 inches.
Width at the Kissaki : 2.07 cm or 0.81 inches.
Kasane : 0.81 cm or 0.31 inches.
The weight of the sword: 765 grams.
Era : The end of Edo period to Meiji period.
Shape : Regular width and thickness, O-Kissaki Katana. The Ububa remains.
Jigane : Ko Itame Hada well grained with Jinie attach. The Jigane is beautiful and Muji fu.
Hamon : From Hamachi is Suguha and then tight Yokoyama Choji Midare and Juka Choji.
The Boshi is round shape.
Special feature: Yokoyama sukekane was a student of the Yokoyama Sukenaga.
Generally yokoyama sukekane made slender with nice sori elegant sword.
But this sword is wide and thick which is rather different style and also hamon.
Saya : Black Roiro Saya with Aogai Chirashi and gold powder.
Tsuba : Round shape ShakudoTsuba with gold color.
Menuki : Shakudo, rabbit is engraved with gold color.
Fuchikashira: Shakudo Ishimeji, Kiri Mon are engraved with gold color.
Back ground age: At Ansei 4th year October 21st. Townsend Harris
have an audience with Tokugawa Iesada and has delivered credentials.
This is when the frame of Japan-US Trade Treaty was finished.
NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper: whole Oshigata.