A George IV suite of gold and topaz jewellery

A George IV suite of gold and topaz jewellery
Comprising: a necklace with central quatrefoil pink foiled topaz and cannetille work panel, to pear-shaped topaz twin panel articulated links and three tier chain-link back section and matching clasp, suspending a matching cross shaped brooch pendant; with drop earpendants en suite, circa 1830, fitted case, partially illustrated (3)