Vintage Cameo Clipon Earrings w ScrewBack 006

Very pretty silver tone, light blue and white cameo clip on earrings with a screw back. Measures approx. 1" in length and 3/4" wide. Weighs just under a 1/2 ounce. We are not jewelry experts - we've simply been buying pieces we love for over 35 years. We don't know the actual age or correct verbiage and can't describe them using the "proper" terms, so our photos are our description.