Vintage 1950s Signed Napier Big Faux-Pearl Brooch

1950s goldtone big 3 faux-pearl dangles brooch with security clasp. Marked "Napier." Measures: 2 1/2 inches long by 2 1/2 inches wide. Condition: Very good; some discoloration to edge of goldtone. I have not tried to clean it. The matching earrings in silvertone are shown on pg. 302 of Melinda L. Lewis & Henry Swen's book "The Napier Co.: Defining 20th Century American Costume Jewelry."