This antique Art Deco sterling Uncas ring features a striking, oval black glass cabochon centerpiece with a two-tiered border adorned with sparkling marcasite gems. The butt of the ring face features lovely, engraved designs. This ring is a size 5.5, weighs 5.3 grams and measures 25mm wide. This piece is in excellent antique condition with light wear and is marked as shown.