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

Four gem set brooches, comprising an oval amethyst set brooch in 9ct gold scrollwork mount, and three citrine set brooches, all 9ct gold mounted, first brooch length 3.2cm, second 2.5cm, third 3.3cm, fourth 2.1cm. £200-240