Hizen Kunihiro (active 1640-1645) Edo period (1615-1868), circa 1644 Sugata (configuration): honzukuri, iorimune, chu-gissaki, toriizori Kitae (forging pattern): ko-itame hada Hamon (tempering pattern): suguha in nie and nioi Boshi (tip): ko-maru Nakago (tang): ubu with one hole, kiri file marks and signed Hizen no ju Fujiwara Kunihiro Habaki (collar): two-piece, gold-foil Nagasa (length from tip to beginning of tang): 28 1/2in (72.4cm) Motohaba (width at start of tempered edge): 1 1/4in (3.1cm) Sakihaba (width before tip): 1in (2.3cm) In a shirasaya (wood storage scabbard) With kantei certificate no. 14451 issued by the Nihon Token Hozon Kai (Society for the Preservation of the Japanese Sword), dated April 5, 1998