6 Kerosene Lamp Chicago The Mantle Lamp Co.. This was found at a sale. I have not tested it. There is a dent in the bottom and it appears to be leaning to the right a bit. There are signs of use including scuffs/scratches throughout.This item is in the category "Collectibles\Lamps, Lighting\Lamps". The seller is "reynol80an" and is located in this country: US.