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

A collection of assorted gem set jewellery, including an aquamarine and sapphire cluster pendant, a blue topaz set line bracelet, a rock crystal and sapphire set pendant, a large citrine pendant and an amethyst, hessonite and almandine garnet, and citrine set bracelet, together with two unmounted facetted rock crystals, a facetted carnelian bead necklace in gilt metal mounts and a yellow paste set pendant. £400-600