A fairly rare shade, these are said to have decorated the Waldorf-Astoria in New York City. Note: unusual fitter size.
Tiffany Studios (New York, NY, 1878-1933)
Width 4 Depth 4 Height 5.25 inches
Fitter: Width 2.75 inches
Note: there is a flake on the fitter rim which would be hidden by the hardware.