Tri-Strand Green Beaded Hongkong Signed Necklace

Mid Century Tri-Strand Green Beaded Necklace. I’m not really sure if this is Lucite or glass. It’s kind of heavy to be plastic, but it could be a heavier plastic. Beads are lovely, almost imitating a Peking Glass or jade. Beads are graduated. Smallest is 6mm and largest bead is 12mm. Measures 14” long with 1.75” Extender, Hook Clasp. In very good vintage condition.