An opal ring by Helge Larsen and Darani Lewers the helmet ring set with articulated panels, with central bezel set opal, mounted in silver, circa 1970, signed 'H & D L', ring size O. Literature: the making of this ring is on the craft Council's video which toured with the Lewers - Larsen Retrospective exhibition of 1990. - refer P 32 of catalogue of this exhibition.