Each base is stamped as shown. Wear commensurate of age and use.
These could use a good polish and there are areas of old polish remaining. It appears one was rewired at some point and has a different on/off switch. Personally I would have both rewired at base. Cleaned up these will be even more impressive.
The item "Antique Pair French Fleur De Lys Lis Brass Bronze Art Deco Nouveau Lamp Signed" is in sale since Tuesday, July 14, 2020. This item is in the category "Antiques\Decorative Arts\Lamps". The seller is "allyhandrasplace" and is located in East Granby, Connecticut.This item can be shipped to United States, China, Mexico, Germany, Japan, Brazil.