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

A small group of jewellery, comprising a half pearl set star brooch, a 19th century coral cabochon and glazed hairwork memorial cluster brooch and graduated cultured pearl necklace, to a half pearl, turquoise and garnet set clasp, necklace length 54cm. £140-160