A Japanese Shoami tsuba, Japanese Shoami tsuba Edo period 18th century, an important iron sukashi (pierced) tsuba by Shoami, the design a paulownia mon and Nade-kaku-gata (square with rounded corners) shape and presented in traditional silk-lined Kiribako box. With sets of certification papers from both Japanese sword appraisal organisations (Nbthk and Nthk), 7 cm x 6.5 cm