Details
An Osuriage Bizen Katana
With gold kinpun-mei, attribution to Motoshige, Nanbokucho period (14th century)
A fine broad early 14th century o-suriage Bizen katana length 66.5 cm., itame-hada with utsuri, kata-ochi gunome hamon, ko-maru boshi, with bohi grooves, attributed to Motoshige, working in the first half of the 14th century, katana koshirae with black lacquered saya, iron fittings with gold-inlaid tachi-aoi mon [crest with upright hollyhock leaves], round tsuba with prunus and hollyhock, gilt menuki of goma-bashi (Buddhist ritual tongs)
Sugata [configuration]: broad shinogi-zukuri, iori-mune, low curve, chu-kissaki
Kitae [forging pattern]: itame with some nagare hada, ji-nie-utsuri
Hamon [tempering pattern]: squarish kataochi gunume-midare, with togari-ba, of ko-nie
Boshi [tip]: ko-maru with togari tendency
Nakago [tang]: o-suriage, katte sagari file marks, two mekugi-ana, kuri-jiri
Habaki [collar]: single gilt
Horimono [carving]: bohi kakitosu both sides of blade
Nagasa [length of blade]: 66.5 cm.
Koshirae [mounting]: katana koshirae ishime-ji black lacquered saya, fuchi, kashira, and kojiri of black iron with inlaid gold tachi-aoi mon within circles, round iron tsuba with prunus and aoi in sukidashi-bori with gilt details, one hitsu-ana plugged with shakudo, the menuki gilt goma-bashi [ritual tongs]
The blade accompanied by a certificate of registration as a Juyo Token [Important Sword] no.3900 issued by the Nihon Bijutsu Token Hozon Kyokai [Society for the Preservation of the Japanese Art Sword] on 8th September 1980