Apprx 1" diameter, circa 1940s-50s, goldtone metal, numbered on the back, possibly Boucher or other high end signed designer maker. I welcome information if you have some to offer on this manufacturer. Earrings are bejewelled with faux gemstones, appears to be simulated turquoise, amethyst, sapphire, diamond, lovely costume earrings designed like fine jewelry. Well made, unusual design, fine quality, very good vintage condition.