A Chikuzen Sa-School Wakizashi
Nanbokucho period (14th century), with signature Choshu ju Yasuyoshi and dated Joji go hachi (1366.8)
Sugata [configuration]: hira-zukuri, iori-mune with a wide mi-haba and slight curve
Kitae [forging pattern]: o-itame in ji-nie with hada-dachi and chikei
Hamon [tempering pattern]: notare-gunome mixed with choji of nie, with deep nioi, sunagashi and kin-suji
Boshi [tip]: midare-komi, tsuki-age with a deep return and some haki-kake
Horimono [carving]: bo-hi ni tsure-hi on both sides
Nakago [tang]: ubu, slight kuri-jiri with three holes and suji-kai file marks
Habaki [collar]: two-piece, gold
Nagasa [length from tip to beginning of tang]: 13 5/8in. (34.4cm.) In shirasaya [wood storage scabbard]
With Yushu bunkazai (Very important cultural asset) certificate no. 82 issued by the Nihon Tosogu Bijutsukan (Museum of Japanese Sword Fittings), dated 1999.6.1
A Chikuzen Sa-School Wakizashi
Nanbokucho period (14th century), with signature Choshu ju Yasuyoshi and dated Joji go hachi (1366.8)
Sugata [configuration]: hira-zukuri, iori-mune with a wide mi-haba and slight curve
Kitae [forging pattern]: o-itame in ji-nie with hada-dachi and chikei
Hamon [tempering pattern]: notare-gunome mixed with choji of nie, with deep nioi, sunagashi and kin-suji
Boshi [tip]: midare-komi, tsuki-age with a deep return and some haki-kake
Horimono [carving]: bo-hi ni tsure-hi on both sides
Nakago [tang]: ubu, slight kuri-jiri with three holes and suji-kai file marks
Habaki [collar]: two-piece, gold
Nagasa [length from tip to beginning of tang]: 13 5/8in. (34.4cm.) In shirasaya [wood storage scabbard]
With Yushu bunkazai (Very important cultural asset) certificate no. 82 issued by the Nihon Tosogu Bijutsukan (Museum of Japanese Sword Fittings), dated 1999.6.1
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