1950s goldtone filigree large faceted unfoiled open-backed clear rhinestone pendant necklace with security clasp. Marked "Napier" on a jump ring near the clasp. Pendant measures:  1 3/4 inches long by 1 3/8 inches wide. Chain doubled is 10 1/2 inches long. Excellent condition. The matching earrings are shown on pg. 212 of Melinda L. Lewis & Henry Swen's book "The Napier Co.: Defining 20th Century American Costume Jewelry."