Heres a Nice Antique Slag Glass Panel Lamp Shade. The finish is the original with a lot of accumulated dust. Some of the joints of the metal panels are separating (see example, picture 10), so they should be soldered, but if handled carefully there shouldnt be an issue.
The diameter is about 17 and 1/2 in the direction shown, wider if measured elsewhere, and the height is approximately 8. The item "Antique Art Deco Slag Stained Glass Panel Lamp Shade Only Neoclassical Style" is in sale since Monday, December 14, 2020. This item is in the category "Antiques\Decorative Arts\Lamps". The seller is "zochasbears" and is located in Shrewsbury, New Jersey.
This item can be shipped to United States.