Antique German rectangular coloured gold box, probably Hanau, c.1760. Price on request. Courtesy S. J. Phillips Ltd

Citrine cluster brooch-pendant by Boucheron, Paris, c.1940. Price on request. Courtesy S. J. Phillips Ltd 

Antique Royal presentation clock by Atherton, London, c.1770. Banded red and white agate panels mounted in 22ct gold cagework, the sides with gold portraits in silhouette of George III, Queen Charlotte and their son George, Prince of Wales. Price on request. Courtesy S. J. Phillips Ltd

Invisibly set sapphire and diamond leaf brooch by Van Cleef & Arpels, Paris. Price on request. Courtesy S. J. Phillips Ltd

PR 18th century topaz pendant earrings. Price on request. Courtesy S. J. Phillips Ltd

Masterpiece London 2016. 30 june- 6 july. S.J. PHILLIPS LTD. STAND D8. 139 New Bond Street, London, W1S 2TL, United Kingdom,. T +44 20 76 29 62 61 - F +44 20 74 95 61 80. E-mail  nicolas@sjphillips.com - Website http://www.sjphillips.com/