Clark and Coombs green jade gemstone antique Art Deco ring . Good used condition with little signs of normal antique wear. Stamped on the inside of the band with the Clarks and Coombs hallmark and 10K Gold Filled. Bezel set oval just stunning green jade gemstone. Gemstone tested with Presidium II gemstone tester. Ring measures size 8. Antique Oval Emerald Ring, Vintage Green Opal Round Ring, Vintage Green Opal Ring, Antique May Birthstone Rings, Vintage Green Opal Ring For Anniversary, Antique Green Turquoise Ring As Gift, Vintage Chrysoprase Ring Jewelry, Vintage Round Jade Rings, Vintage Oval Jade Rings