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

A silver ‘Moonlight Grapes’ necklace, by Georg Jensen, the necklace of stylized vine leaf links with beaded links between, to a plain circular clasp, stamped ‘925 S, Denmark’, bearing Georg Jensen maker’s mark, numbered ‘96 A’, in signed case, length 41.5cm. £600-800