Circa 1915 - 1930, with open box windmill ''San Francisco'' stamp, the spreading conical riveted three-panel shade with rolled rim supported on curved arms on a three-socket stem issuing from a spreading bulbous base, 17'' H x 19.25'' Dia., est: $10,000/15,000

Generally good condition. With marks, scratches and rubbing overall commensurate with age and use. Patina of base rubbed overall to a lighter color than copper elements of shade. Copper of shade with some patches of verdigris. Mica panels apparently original and show signs of age, including scattered flaking. Some of the clips holding mica panels have been bent. Sockets, pull chains and cord apparently original. Fraying to cord. Wiring should be inspected by a qualified electrician prior to use. .