细节
A Yamashiro School Katana
Unsigned, attributed to Rai Kunimitsu, Late Kamakura Period (14th Century)
Sugata [configuration]: honzukuri, iori-mune, toriizori, extended chu-kissaki
Kitae [forging pattern]: koitame with jinie
Hamon [tempering pattern]: suguha of konie, ko-midare, ashi, utsuri, yubashiri, jifu
Boshi [tip]: o-maru, togari
Horimono [carvings]: bohi on both sides
Nakago [tang]: suriage, two holes
Habaki [collar]: double, copper-gilt
In shirasaya [plain wood scabbard]: Takenaka ko [Lord Takenaka], Taisho 7th (1918)
Nagasa [length from tip to beginning of tang]: 69.4cm.
Sori [curvature]: 2cm.
Motohaba [width at start of tempered edge]: 3.2cm.
Sakihaba [width before tip]: 2.2cm.