Goldtone and clear Swarovski rhinestones wide collar necklace with fold over clasp. Marked "Napier." Measures: 7 inches long by 7 inches wide. Center;  1 1/2 inches L.  Interior circumference approximately 13 inches. Excellent condition. Limited Edition from Napier's 1990 Byzantium Collection. The matching bracelet with colored stones is shown on pg 658-9 of Melinda L. Lewis & Henry Swen's book "The Napier Co.: Defining 20th Century American Costume Jewelry.". The matching bracelet with clear rhinestones is also available on this site for sale. 

Napier Limited Edition Goldtone & Swarovski Rhinestones Collar Necklace, 1990