NAOHISA: A FINE SHAKUDO KOZUKA, WITH NBTHK CERTIFICATE By Naohisa, signed Naohisa Japan, 19th century, Edo period (1615-1868) The shakudo kozuka finely inlaid in the front with copper and gold depicting a fisherman's tool against a fine nanako ground. Signed to the reverse NAOHISA and kakihan. With a wood tomobako (storage box). With a Hozon Tosogu (Sword Fitting Worthy of Preserving) certificate no. 400274 issued by the Nihon Bijutsu Token Hozon Kyokai (Society for the Preservation of the Japan Art Sword), dated February 3, 1983. LENGTH 9.2 cm WEIGHT 26.9 g Condition: Excellent condition. Provenance: US private collection.