Attributed to Nagamitsu, Muromachi period (1333-1573), 16th century Honzukuri, iorimune, chu-gissaki, toriizori forged in ko-itame hada and with a gunome midare tempered edge and a midare komi and ko-maru boshi with a slight return, the ubu tang with one hole, indistinct file marks and indistinctly signed Naga (second character effaced), 25 1/2in (64.1cm) long The Higo-style koshirae comprising a black-lacquer saya finished in a textured surface mounted with uchigatana hardware in copper nanako, including a sayajiri and semegane, the tsuka wrapped in black leather over same and mounted with shakudo nanako fuchi-gashira and gilt menuki formed as pairs of tigers, the Higo yamagane mokkogata tsuba decorated with paulownia flowers and vines in kebori With kantei certificate no. T.00259 attributing this sword to Nagamitsu, issued by the Nihon Token Hozonkai (Society for the Preservation of the Japanese Sword), dated February 22, 2014