Stephen Webster, a gold and gem-set brooch, centring on a 'man in the moon' in carved labradorite,

Stephen Webster, a gold and gem-set brooch, centring on a 'man in the moon' in carved labradorite, flanked by leaf-shaped motifs with vine details in engraved 18ct gold set with cabochon emeralds and sapphires, cultured pearls and brilliant-cut diamonds, width 6.3cm, British hallmark, sponsor's mark SW for Stephen Webster, date letter for 1991