Pair of Art-Deco Sterling Silver & Black Onyx Screw-Back Earrings With Marcasites

Pair of Antique Sterling & Onyx Screw Back Earrings With Marcasites            Circa.  1920     Germany

Silver marcasite and onyx earrings    Black square onyx  cabochon at bottom   Each tiny marcasite is set by hand   Marked "Sterling" and "Germany" on back   The pair looks like it has hardly been worn

Each earring measures 2 1/4 inches long          3/4 inch wide      Total weight for the pair is 9.2 g.      5.9 dwt

In pristine original condition