One a nade gaku hokei tsuba with relief of a boar in landscape and inlaid with gold and copper; the second a shinno maru-gata tsuba decorated with pine trees, waves, clouds, and Mt. Fuji, inlaid with gold and copper, possibly by Shigemasa, Umetada school, 18th century; the third a shinno maru-gata tsuba with stylized sukashi waves, sukashi bubbles, inlaid with copper, 17th century; the fourth a shinno maru-gata tsuba with sukashi leaf design c.1800. (Dia(largest): 3 in.)PROVENANCE:Property from a private collection, Philadelphia: the second and third acquired in 1987; the fourth acquired in 1990.