Geoff Rowlandson, a gem-set cultured pearl brooch
Geoff Rowlandson, a gem-set cultured pearl brooch, designed as three stylised heads formed from oval cultured pearls inlaid with sapphires, diamonds and rubies with gold and diamond-set headpieces, engraved 'Hat Trick' to reverse, maker's mark and London hallmarks for 2015, length 5.2cm, case