Fabulous vintage Couture Yves St. Laurent Runway Necklace with Huge Crystals on a heavy Snake Chain. It measures 39" and has 4 faceted glass inlayswith black enamel that are red on one side and clear on the other, and then 2 inlays that are red and clear. Signed YSL on clasp AND has original YSL retail tag. It doesn't get better than this. Like new condition.