The design for these graceful earrings is adapted from windows in The Frederick C. Robie House, designed by Frank Lloyd Wright in the Prairie School style and built in Chicago between 1909 and 1910. These solid brass earrings are electro-plated with a hematite finish that resembles the lead came in a stained-glass window. Hand enameled with glass beads. USA. Earrings hang 1.5"L; .5"W.