Rockefeller Estate Tiffany Bronze Floor Lamp

Bronze harp floor lamp, adjustable single socket, shaped shaft, marked on base Tiffany Studios New York 678. Sold with iridescent glass shade, appears to be an original Tiffany shade, however lock screws are frozen and cannot be removed to verify. Overall measures 54.5" h. x 11.25" base dia., shade 5" x 10" dia. Condition: Shade with considerable serpentine crack running from fitter rim to base rim, uneven patina to base. From the Elisabeth Rockefeller Bowler Estate, great granddaughter of Franklin Rockefeller, youngest brother of JD Rockefeller.