An early 20th century imperial topaz and seed pearl bar brooch, converted from an earlier necklace/bracelet, comprising a central rectangular mixed cut topaz with a border surround of small seed pearls, the cluster measuring 12mm x 10mm, all in yellow metal, set to an later brooch fitting, with hinged pin and loop fastening to reverse, stamped '9CT', length 42mm, weight 3.2gms