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

An aquamarine bar brooch and earrings, the plain narrow yellow precious metal bar brooch centred with a claw set oval mixed-cut aquamarine, together with a pair of step-cut aquamarine earrings, on screwback clip fittings, mounted in white precious, stamped ‘9ct’, bar brooch length 45mm. £200-250