KATANA With shinogi-zukuri type blade, hamon with slight gunome, nakago suriage, with one mekugi-ana, signed Seki Zenjo Ke Chikanori (1818-1864) and dated Ka Ei… (1848-1853). Mounted in shirasaya, with koshirae of the tachi type : black lacquered sheath with aogai flakes and flowers, thick sentoku mokko-gata tsuba with peonies scrolls, partly gilt and silvery shakudo menuki with flowers. Japan, 1848-1853. L (of the visible top part of the blade) : 60.5cm