An Arts and Crafts opal set silver pendant attributed to The Artificers Guild

An Arts and Crafts opal set silver pendant attributed to The Artificers Guild, the large oval-shaped opal is set in a silver closed back mount, the pierced frame with foliate decoration and set with a cabochon emerald suspending chrysoprase, sapphires and seed pearls. Suspending a conforming smaller pendant set with a moonstone. Fine link silver neck chain, 54cm. Fitted case with silk lining marked for 'The Artificers Guild Ltd. 4 Conduit Street, London W'.