vintage Hobe necklace

Hobe ~60s cascading bead lariat necklace. Great condition white plastic with a signed Hobe tag and smooth shiny silver flat chain. 5 dangling white beads that cascade down. Closes in back and the clasp works well. Great overall condition. Total length about 15 inches. From clasp to cabochon would measure about 18” around. From cabochon to the last dangling bead measures 6”