A TIFFANY STUDIOS PATINATED BRONZE LAMP WITH TULIP GLASS SHADE Tiffany Studios, Corona, New York, circa 1900 Marks to base: TIFFANY STUDIOS, NEW YORK, (Tiffany Glass and Decorating Company monogram), 3336, Marks to Shade: TIFFANY STUDIOS, NEW YORK 21-5/8 inches high x 16 inches diameter (54.9 x 40.6 cm).