This is a vintage clear rhinestone choker necklace. The necklace is not marked. It is made of three rows of rhinestones. All of the rhinestones are prong set. The necklace measures 16 inches long and 3/8 of an inch wide. It has a hidden clasp. The necklace is in very good condition with no missing rhinestones. It may need cleaning or polishing. Please let me know if you have any questions. Thanks for stopping by.