Vintage Stud Earrings 0.25" Black Gem - Some Tarnish

Vintage Stud Earrings 0.25" Black Gem - Some Tarnish These earrings measure about 0.25". Green tarnish where posts meet the back of the earrings. No earring backs included. I am unsure of the material of the gems. Some marks, tarnish and signs of wear. Preowned vintage earrings, sold as shown - I am unsure of material type(s) because of this. Pictures show different angles for you to review - while I attempt to note any defects, some tarnish/signs of wear may be visible that are not otherwise stated. I ship quickly and provide tracking information but delivery times are an estimate. Item is located in the United States. Country of manufacture cannot determined.