Jewellery, Watches and Objects of Vertu to include the personal archive of Louis Osman, goldsmith and architect

A pair of gold and gem set bracelets, circa 1840s, both centred with a gem set quatrefoil flowerhead, the first set with pear-shaped almandine garnets and central opal highlight, the second with oval aquamarines and central garnet, both flowerheads mounted to hollow domed settings, with trefoil detail, between hinged bracelet straps, the shoulder mounted with a corresponding gemstone, between alternating chased and polished figure-of eight links, within matching fitted cases, (cream silk linings unsigned), both length 17cm. £3500-4000