1950s silvertone "cumquat" ribbed earrings with curly tops clip back earrings. Marked "NAPIER PAT. PEND." on the clips. Measure:1 5/16 inches long by 7/8 inches wide. Condition: Very good; tarnish normal for their age, some wear around the back where the clips meet the earrings. 
A silvertone pendant version of these earrings is shown on pg. 310 of Melinda L. Lewis & Henry Swen's book "The Napier Co.: Defining 20th Century American Costume Jewelry."