Tiffany Studios 18 inch diameter shade with a geometric green striated glass brick background having five rows in the drop border and seven rows in the domical top; centered with iridescent chunk turtleback panels. Shade is signed on the inside rim, "Tiffany Studios, New York, 1482-10." On a bronze base having a knuckled stem with a three-arm spherical light cluster and a bulbous base with ball feet, red-green patina; signed on the underside, "Tiffany Studios, New York, 394." Dimensions: shade - 8 in. high x 18 in. diameter; base - 25.5 in. high x 9 in. diameter. Weight: 27.20 lbs.