Here is a wonderful original Art Nouveau Tiffany Studios Desk Lamp, marked on the base Tiffany Studios #419. Very good overall condition and patina; please see pictures. The lamp needs rewiring.
The iridescent bell-shaped shade is intact, it is a Quezal shade; the Quezal name is engraved on the top of the fitter rim.
Please do not hesitate to contact me for additional information and/or pictures.
Dimensions, approximately: 13″ overall height; 6″ base diameter; 9.5″ harp width, 5″ shade diameter.