Vtg 1980s Sphinx Signed Faux Amethyst Heart & Bow Screw Back Clip On Earrings

Vintage 1980s Sphinx signed caliber cut Amethyst crystal heart and gilt bow screw back adjustable clip on earrings. This is a style popularized by Princess Diana as she worn heart and bow earrings by both Sphinx and Butler & Wilson. The collectible earrings measure approximately 1.5" long and are both signed and numbered and were purchased at Butler & Wilson, London, UK. They are from my family's estate. They are in excellent vintage condition. See all photos. From a smoke free home.