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

A stainless steel wristwatch head, by Rolex, the cream circular dial signed ‘Rolex, Shock Resisting’, with applied gilt Arabic numerals and subsidiary seconds dial, signed jewelled movement, case signed and numbered ‘470221’, with curved lugs, in a signed Rolex box, dial diameter 28mm. £260-360