Tiffany Studios Daffodil leaded glass shade on a bronze Tiffany library standard cushion hammered design base. The shade is marked "Tiffany Studios New York 1449." The base is stamped with the TGDCO mark, "Tiffany Studios New York" and "D806." (TGDCO stands for Tiffany Glass & Decorating Co.) The base's model number is 364. Shade diameter is 16", overall height of lamp is approx. 20-1/2". Research: In the 2007 edition of Alastair Duncan's Tiffany Lamps & Metalware, the shade is pictured on pages 29 and 136. The base is pictured on page 75. This item will need to be shipped by a packing company of your choice. We maintain a list of reliable shippers, or you may choose your own.