1950s goldtone marquise faux-topaz and round faux-onyx with marquise faux-emerald leaves flower brooch with security clasp. Marked "Napier." Measures: 3 1/8 inches long by 1 3/8 inches wide. Excellent condition. A brooch like this one but with different colored rhinestones is shown on pg. 843 of Melinda L. Lewis & Henry Swen's book "The Napier Co.: Defining 20th Century American Costume Jewelry."