An antique Japanese damascene work pendant together

the pendant, circa 1910-20, with an oval matt black plaque inlaid with gold and silver depicting on one side swooping birds and trailing wisteria blooms, on the other a butterfly with wild irises at the water's edge, and with the symbol of the Fuji Damascene Co, Tokyo, and 'K.24 Gold', suspended on a cord with a similar 'zhogan' (damascened) ball above depicting chrysanthemums, vine leaves and butterflies, length of both parts of the pendant 7.3cm; also a flat circular pierced green jade depicting peacocks and flowers suspended on a cord with bone clasp, diameter 4.3cm; also a similar colour oval jade carved with a fish and mounted in a gilt spring clip fitting, and a pair of similar smaller clips, lengths 3.5 and 2.4cm (Qty: 4)