Ordering number: AS22017
Wakizashi in Shirasaya with Koshirae(NBTHK Hozon Token)
Signature: Mumei(judged as Kaifu Ujiyoshi,海部氏吉)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo saku ranking.
habaki: Gold foiled copper double Habaki
The blade was polished.
Blade length: 54.5cm or 21.5inches.
Sori: 1.4cm or 0.6inches.
Width at the hamachi: 2.8cm or 1.1inches.
Width at the Kissaki: 1.2cm or 0.5inches.
Kasane:0.7cm or 0.3inches.
The weight of the sword:470grams
Shape: Osuriage Mumei. The blade is normally broad and thick with Sori and Chu-Kissaki. Jigane is nicely-made.
Jigane: Itame is dense to be elaborate Jigane.
Hamon: Niedeki, Suguha with lots of Koashi and Suguha is mixed with Notare. Boshi is Ichimai-ish(almost all part is covered by Hamon) and has long Sori.
Era: Late Muromachi Period around Meio, ca. 1500
Features: Kaifu school is said to have worked as pirates in the Seto Inland Sea, so they were not popular as swordsmith. Still, Ujiyoshi is a swordsmith from the Ouei era to the Tensho era, and they are very popular. In the late Muromachi period, he engraved hi signature on the upper part of Katana: it is very unique way. It is very surprising that Ujiyoshi could make swords with this quality.
Tsuba: Mokko-shaped iron Tsuba. Dragon and clouds are engraved with silver color. The rim stands up a little bit.
Fuchikashira: Brass plate, flowers are engraved with gold color.
Saya: Black Roiro Saya
Menuki: Shakudo plate, horse is engraved.
Kozuka: Shakudo-Nanako plate, dragon is engraved with gold color.
Kogai: Shakudo-Nanako plate, dragon is engraved with gold color.
Kogatana: Mei-Kikumon Edagiku Nihon Kaji Sosho Iga Kami Kinmichi Saku(not guaranteed)
From Aoi Art: Kaifu swords are not so popular but some works are really well-made. This work has Chikei and Hadame is visible. In Shinogiji, Masame works strongly and maybe it could look a little bit rough.
NBTHK Hozon Token paper
Aoi Art estimation paper: whole Oshigata by Ayaka Tsuruta
Auction starting Price:450,000 JPY-.