Vandell vintage floral gold necklace 1/20 Blue

in good used condition. minimal sign of wear but does show some normal wear if that makes any sense. could use a better cleaning. not sure if the pearl is real or not. nor do I know if the stone is real or not. it's blue in color. gold filled 12 k gold floral feminine vintage possible 1940's art deco elegebt marked 1/20 signed vendell necklace us approximately 8 inches long. pendent size us approximately 1 inch in length and 1 inch in height. formal casual art metal Rhine stone?? pearl??? rope chain. chain necklace jewelry designer fine jewelry costume jewelry gold unique