I'm not sure of the age of this lamp. The stem is brass and there is a round green marble piece on the top of the base.
The lamp is 40" tall and the base is 10" square and it weighs 22 lbs. The lamp shade is 16" across, 11" tall and the top ring is 9. The item "1920's Antique Rembrandt corner lamp leaded stained glass shade & brass stem" is in sale since Wednesday, September 20, 2017. This item is in the category "Home & Garden\Lamps, Lighting & Ceiling Fans\Lamps".The seller is "hart_enterprise" and is located in Jefferson, Oregon. This item can be shipped worldwide.