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

An 18ct gold memorial ring, 1833, the flat band in black enamel with gold Gothic lettering reading ‘In memory of’, between raised anthemion pattern borders, the interior hallmarked for London, 1833, bearing maker’s mark ‘WE’, and inscribed ‘Thomas Tennant, Ob 25 Decr 1823, at 69’, ring size N (leading edge). £200-240