The first, Edo period (1615-1868), 19th century, the second, Showa era (1926-1989), circa 1940 The aikuchi goshirae comprising a lacquer saya, the top section ribbed in Wakasa-nuri style and the lower section with scrolling vines in roiro-nuri on a russet ishime ground, the shakudo kojiri carved with foliate scrolls, the tsuka of textured russet lacquer and fitted with gold menuki formed as coiling dragons, the shakudo kashira decorated to match the kojiri, 15in (38.1cm) long; the naval tanto in hirazukuri configuration carved with bohi on both sides and with a suguha tempered edge, one-piece gilt-copper habaki, 8 1/4in (21cm) long, the lacquered-leather saya fitted with gilt fittings decorated with cherry blossoms on a nanako ground; with a silk military tassel