Edo period (1615-1868), late 17th/early 18th centuryThe blade of shinogi-zukuri form, slightly undulating suguba of nioi with pronounced nie, indistinct tight mokumehada, the ubu nakago with kiri yasurime and one mekugi-ana, signed Echizen no ju Kozuke no kami Fujiwara Kanesada; koshira-e: the saya (scabbard) of roiro lacquer; iron sukashi Shoami tsuba with ho-o bird and kiri design; shakudo fuchigashira with geese and reeds in gilt metal relief. The blade: 48.5cm (19 1/8in) long.