Set of 10 vintage Modernist abstract enamel single stud earrings

A set of 10 vintage earrings, in abstract and geometric styles. Some are of designer quality. Two earrings are signed Monet (last picture). These are all single earrings, suitable for the third hole, or to create an asymmetric look. Can also be worn as a pin / brooch on hats, coats and sweaters. In good to excellent condition, as pictured. Most of them come without backings, but if needed, I can add 2 new secure silicon backings. Just let me know at the time of purchase!