Vintage Sterling Silver Marcasite Black Onyx Square Center Stone US Size 7 3/4
Inside of band is marked “STERLING”. Has maker’s mark but unable to identify.
Ring measures a size US 7 3/4 on mandrel.
Weighs approximately 5.67 grams.
Beautifully cut black onyx center.
All Marcasite stones are present & intact. Has some minor patina which can be polished if you desire.