Vintage Sterling Silver Prong Set Jet Black Cameo Portrait Screw Back Earrings

This is a pair of sterling silver screw back earrings. It features a prong set cameo on glass or better. The portrait is raised. Marked "Sterling" on the back of the screw backs. Acid tested. .6" H (including the screw back) x .3" W Some tarnish and wear to the silver.