1950s silvertone door knocker clip back earrings. Marked "Napier." Measures: 2 1/8 inches long by 1 5/16 inches wide. Condition: Very good; some tarnishing normal for their age. An identical pair of earrings are show on pg. 257 of Melinda L. Lewis & Henry Swen's book "The Napier Co.: Defining 20th Century American Costume Jewelry."