A Japanese Koto Tanto in Futokorogatana Style, the 18.5cm steel blade with narrow fuller to the top

A Japanese Koto Tanto in Futokorogatana Style, the 18.5cm steel blade with narrow fuller to the top edge, the tang signed Kotou Uda Kunimune, in Shirasaya mounts, with additional koshirae the black braid bound same hilt with bronze bee menuki, small iron quatrefoil tsuba, wood blade and black lacquer saya with later kozuka, the bronze hilt with parcel gilt decoration of a peacock, together with oshigata papers