Antique 15ct yellow gold and citrine brooch c.1870 by Willis & Sons, Melbourne 1858-c.1980 the circular facetted citrine is multi claw set and weighs approximately 80.00ct and measures 30 x 30 mm the 15ct gold setting features curved scrolls and a club design finial at each end, with safety chain stamped with makers marks 'Unicorn, 15, Fleece'. Length 55 mm. Reference: Australian Jewellers, Cavill Cocks and Grace p.269