A late 19th-early 20th century gem set butterfly brooch, the wings composed of glazed butterfly wings, to a old brilliant-cut diamond set thorax and abdomen, rose-cut diamond set head and antennae and ruby eyes, mounted in 15ct gold, reverse hallmarked for London 1889, bearing maker’s mark ‘S&C’ and engraved ‘Breveté dans tous les pays’ - patented in all countries, wing span 78mm. £300-£500