Vintage 1940's Uncas green chrysoprase sterling silver cocktail ring Size 5/ 5.25 Elegant large Art Deco sterling cocktail ring with a flat, oval dark green chrysoprase gemstone in a wide bezel setting *Very light patina Signed with Uncas's symbol and Sterling (Uncas was established in 1911 in Providence, RI and is still in business today) Very good vintage condition Measurements are approximate Width: 3/4" Weight: 3.3 grams J3937