DuPont Smokeless Powder, multicolor design on 1902 cover showing Two Pointers in Action, franked with 1¢ Bureau tied by Cincinnati, O. machine cancel, tiny tear at top, mention for accuracy, `, Extremely Fine. Estimate  $300 - 400. $0 (Image)

DuPont Smokeless Powder, multicolor ad illustrated design on 1902 cover showing Quail on Rail Fence & Cornfield, bearing 2¢ bureau tied by "Columbus, Ohio Jul 12 1902" machine cancel to Washington C.H., Ohio, Extremely Fine. Estimate  $400 - 600. $0 (Image)

DuPont Smokeless Powder, multicolor illustrated design on 1903 cover showing Two Pointers in Action, bearing 2¢ bureau tied by Columbus Ohio Sep. 4 machine cancel to Bellefontaine Oh., F.-V.F. Estimate  $300 - 400. $0 (Image)

DuPont Smokeless Powder, multicolor design on 1904 cover showing Short Billed Dowitcher, franked with 1903 2¢ tied by Columbus, Ohio machine cancel, printed advertising text on reverse, Extremely Fine. Estimate  $200 - 300. $0 (Image)