Basket tapers down to 3 5/8 inches. C Cast iron oil lamp holder without correct wall mount and no reflector plate for very top extension. Basket tapers down to 4 5/8 inches.D Cast iron painted white oil lamp holder without wall mount bracket. Basket tapers down to 3 7/8 inches. I don't know very much about these wall lamp holders but i tried to list as much information as possible. The item "1 Aladdin and 3 Victorian Era Wall Mount Kerosene Oil Lamp Bracket Holders" is in sale since Friday, June 5, 2020. This item is in the category "Collectibles\Lamps, Lighting\Lamp Repair, Refurbishing\Parts". The seller is "michaeburges_18" and is located in McMinnville, Tennessee. This item can be shipped to United States.