An Australian gold nugget bar brooch, by Stevenson Brothers, Rundle Street, Adelaide circa 1885, with three natural nuggets on a double bar, marked 'STEVENSON / 15ct', 16 grams, 15 carat and pure gold. Provenance: Gerard McCabe Jewellers, Gawler SA Reference: illustrated K. Cavill, G.Cocks and J Grace, Australian Jewellers Gold and Silversmiths Makers & Marks, C.G.C.Gold 1992, Plate 269