Tiffany Studios Geometric and Turtleback Tile Shade, circa 1910 Consign Now Dept20th Century Design, Ceramics & Glass, Decorative Arts, Lighting/Candlesticks/SconcesSizeHeight 15 in. Diameter 20.75 in. Tiffany Studios Geometric and Turtleback Tile Shade, circa 1910, leaded glass with pierced bronze vent cap, shade impressed: Tiffany Studios New York Height 15 in. Diameter 20.75 in. Please note that this auction has ended. Click here for an overview of this auction.