An Australian costume jewellery spray brooch and earrings set Originals by Simpson Jewellery Pty Ltd Sydney, circa 1950, Originals by Simpson Jewellery Pty Ltd Sydney, circa 1950, set with blue and white paste and brilliants, original box. Reference: illustrated K. Cavill, G. Cocks & J. Grace, Australian Jewellers Gold & Silversmiths Makers & Marks, C.G.C. Gold 1992, Plate 256