A Bizen wakizashi in mounts Muromachi period (1333-1573), 14th/15th century Sugata (configuration): Honzukuri, iorimune, toriizori, ko-gissaki Kitae (forging pattern): dense itame with some areas of mokume Hamon (tempering pattern): suguha with nie, inazuma, sunagashi and utsuri Boshi (tip): ko-maru Horimono (carving): bohi on both sides Nakago (tang): suriage with katte sagari file marks, three holes, and signed Iesuke Habaki (collar): one-piece, gold-foil Nagasa (length from tip to beginning of tang): 20in (50.8cm) Motohaba (width at start of tempered edge): 1 1/8in (2.8cm) Sakihaba (width before tip): 5/8in (1.6cm) Koshirae comprising a 19th-century black-lacquer saya and a tsuka wrapped in white silk, the fittings all decorated with minogame (bushy-tailed tortoises) under a bamboo bridge in gold and silver takazogan and takabori on a shakudo migaki ground, the gold and shakudo menuki formed as oxherds on reclining oxen, the Mino mokkogata shakudo plate tsuba decorated with autumn plants in takabori and gold takazogan With Kantei certificate no. 387 issued by the Nihon Token Hozon Kai (Society for the Preservation of the Japanese Sword), dated May 20, 1984