An Australian diamond bangle, by Dennis Brothers, Bourke Street, Melbourne, circa 1890, set with rose-cut diamonds in a Greek Key design on quadrupal wires, marked 'DENIS / 18c', 18 carat yellow gold. Reference: illustrated K Cavill, G Cocks & J Grace, Australian Jewellers Gold & Silversmiths Makers & Marks, C.G.C. Gold 1992, Plate 75