You are bidding on a fantastic vintage black onyx and rhinestone choker necklace - IN VERY GOOD CONDITION, pre-owned.
Clasp is the hook-stone featured on very old jewelry. There is a 2.5" long section where you can place the hook depending on the length you want the choker to be. The rhinestone beads are circular style with rhinestones all the way around.
Approximate measurements are 13" long (15" with extension) x 1/3" wide.