Bizen-Osahune-Tomomitsu(備州長船倫光) | Katanahanbai.com

Osafune Tomomitsu A celebrated Bizen swordsmith, best known for forging the National Treasure Ōdachi preserved at Nikko Futarasan Shrine. This blade bears a distinguished provenance, having been passed down through the Kuroda family.

Wakizashi
Signed: Bishū Osafune Tomomitsu
Dated: An auspicious day in the eighth month of the fifth year of Jōji (1366)
Accompanied by:
kurorousuri-nuri kizami-saya wakizashi koshirae.
Tsuba: Signed Umetada Shichizaemon
Kozuka: Signed Nara Toshinaga saku ("Made by Nara Toshinaga")
Kōgai: Signed Jirōtarō Naokatsu
脇指
備州長船倫光
貞治五年八月日

Item NO.	NO.K00263	Price	4,800,000JPY (Shipping not included.)
Paper	NBTHK Tokubetsu Hozon Paper (公財)日本美術刀剣保存協会特別保存刀剣鑑定書
Country	Bizen Province
Period	Nanbokuchō period, dated to an auspicious day in the eighth month of Jōji 5 (1366).
Blade Length	31.5cm
Curve(Sori)	0.3cm
Bottom Width (Motohaba)	2.9cm
Bottom Thickness (Motokasane)	0.5cm
Keijo	Hira-zukuri construction, with a wide mihaba (blade width), a thin kasane (blade thickness), and a slight curvature (sori).
Kitae	The jihada is predominantly itame mixed with mokume. Overall, the grain stands out distinctly, and the ji is covered with fine ji-nie.
Hamon	The hamon is a shallow notare mixed with small gunome in places. The nioiguchi is rather tight and accompanied by fine ko-nie.
Boushi	The bōshi is sugu, returning in a ko-maru and ending with a slightly pointed appearance.
Hori	On both sides, a bōhi with a soe-bi.
Nakago	Ubu; kurijiri with ha-agari; katte-sagari yasurime; three mekugi-ana.
Accessories	Shirasaya(白鞘)・Old saya with a Kuroda family sayagaki(古鞘)・Kurorourushi nuri kizami saya wakizashi Koshirae(黒呂漆塗刻鞘脇指拵)・Kinkise 2-jū habaki(金着二重鎺)
Details	Tomomitsu was a swordsmith of the Osafune school in Bizen Province during the Nanbokuchō period. He is generally regarded as one of Kanemitsu's foremost pupils, and some traditions even identify him as Kanemitsu's younger brother. Extant dated works by Tomomitsu range from the Jōwa era (1345–1350) to the Eiwa era (1375–1379). His works are distinguished by broad, graceful notare-based hamon, and among the Osafune tradition his style most closely resembles that of Kanemitsu. His technical skill is likewise considered to approach that of his master. This wakizashi is an excellent example of his workmanship. The hamon is composed of a shallow notare with small gunome appearing in places. The nioiguchi is slightly tight and accompanied by fine ko-nie, displaying a level of craftsmanship that closely approaches the finest works of Kanemitsu.
Accessories	Shirasaya(白鞘)・Old saya with a Kuroda family sayagaki(古鞘)・Kurorourushi nuri kizami saya wakizashi Koshirae(黒呂漆塗刻鞘脇指拵)・Kinkise 2-jū habaki(金着二重鎺)