I've recently been lucky enough to purchase several excellent Tiffany Favrile floor lamps. This is one of the examples. 

The shade is 10" diameter in a rich butterscotch color, with strong ribbing that shows especially well when lit. The base is a bronze harp, with a wonderful wavy base and a gold doré finish. 

The condition of the shade is excellent except for two very small chips on the fitter rim that are completely hidden when attached to the lamp. Additionally there are two tiny air bubbles on the surface, both original. One is open and the other is closed. They're unimportant and only mentioned for accuracy. The finish on the base shows some wear commensurate with its age.

The shade has an engraved signature on the fitter rim "L.C.T." and the base is signed underneath "TIFFANY STUDIOS NEW YORK 682".