Both are identical and are fully functional. Glass on both is free of cracks or chips.Brass on both needs some cleaning. The item "Vtg Robert Sonneman Lamp Dimmer Memphis Desk Bankers mid century style halogen" is in sale since Friday, September 7, 2018. This item is in the category "Collectibles\Lamps, Lighting\Lamps\ Electric\Table Lamps". The seller is "u_c_fgrad" and is located in Saint Augustine, Florida. This item can be shipped to United States.