A gold and aquamarine brooch, circa 1870's, the coil and foliate brooch set with three oval aquamarines. Yellow gold. Weight 17.76 grams. Length 5.5 cm. In a blue velvet box signed G Marks & Co, Cobb's Corner, Ballarat. A similar example illustrated Australian Jewellery, 19th & 20th century, Anne Schofield & Kevin Fahy, page 137