A TANTO BLADE, takenokozori with rendai and bonji horimono on omote and a short groove and bonji on ura, with itame-masame hada and suguba-komidare hamon of ko-nie, jizo boshi and ubu nakago with two mekugi-ana and higaki-yasurime, signed Taira Mitsunaga zo, mid 19th century, 25.2 cm. long, in shirasaya