Tom Scott Antiques has dated this piece to the 1930s.

Priced as the pair ( not including the 16'' diameter example shades )
Measuring:
21 3/4 inches 55.5 cm total height
7 inches or 18 cm diameter base
2 inches or 5 cm diameter of base of marble columns
29 inches or 74 cm height to the top of the example shades?
Tom Scott Antiques has dated this piece to the 1930s.
Specialist dealer in french & english decorative furniture and interiors
You can view the stock and full dealer information on the Tom Scott Antiques Profile Page