DuPont Powders. Multicolor design on 1924 cover showing Monora, Champion 1910, franked with 2Ā¢ Washington-Franklin tied by Hannibal, Mo. machine cancel, printed chart on reverse for Game & type of Powder to be used, slightly reduced at right, F.-V.F. EstimateĀ $100 - 150. $0 (Image)