I do not know the maker for sure, most likely Fenton! This is for a set of four! The pictures do not even come close to their Beauty!
These have the 4 Bottom Fitter. 5" Tall and approx 8" Ruffle at the top! The item "Antique/ Vintage Cranberry Coin Dot/Spot Glass Lamp Shades Stunning Color FENTON" is in sale since Wednesday, March 15, 2017. This item is in the category "Collectibles\Lamps, Lighting\Shades". The seller is "plumdumplins65" and is located in Pocatello, Idaho. This item can be shipped to United States.