AS25179 Katana: Yamaguchi Kiyofusa Tsukuru Kore (February, 1979)

Katana in Koshirae

Signature:
Morioka-jū Yamaguchi Kiyofusa Tsukuru Kore (Mukansa Swordsmith)
盛岡住山口清房作之
Showa 54 Nen 2 Gatsu Kichijitsu (February, 1979)
昭和五十四年二月吉日
Ordered by Sato Fukutoku 應佐藤福徳氏需

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This work is ranked as Jyojyo Saku (superior work) for Yamaguchi Kiyokuni.

Habaki: Single silver habaki
Blade Length: 71.0 cm (27.95 in)
Curvature: 2.0 cm (0.79 in)
Mekugi Hole: 2
Width at Base (Motohaba): 3.36 cm (1.32 in)
Width at Tip (Sakihaba): 2.37 cm (0.93 in)
Thickness of Rim (Kasane): 0.76 cm (0.30 in)
Sword Weight: 810 g

Era: Modern(February, 1979)
Shape: slightly wide blade with Bohi carving on the both sides.
The boshi is in an inoshishi-kubi (boar’s neck) style.
Jigane: well-refined Jigane
Hamon:Nie-deki gunome-midare with active ashi.
Deep nioiguchi and a boshi that turns into a midare-komi style.

Features:Yamaguchi Kiyofusa, the modern swordsmith in Iwate, was born in 1932 and began stusying under Sumitani Masamine, a living national treasure swordsmith from 1966. He has won numerous awards since becoming independent in 1972, and was certified as Mukansa swordsmith in 1986. He has also made sword offerings to the Ise Shrine and is recognized as an intangible cultural asset by Iwate Prefecture. Like his master, Sunmitani Masamine, he specialized in Bizen-den and produced gorgeous Choji blades.

Koshirae: Modern koshirae
Aoi Art Estimation Paper: Includes whole oshigata