From a Sothebys Auction, June 2002

Tiffany Favrile Glass and Bronze Tulip Lamp, 1899-1918
Dark brown patina has replaced finial, shade impressed TIFFANY STUDIOS / NEW YORK, base impressed TIFFANY STUDIOS / NEW YORK / D806 and with decorating company monogram.

©2002, Sothebys, all rights reserved.