DuPont. Multicolor design on 1898 cover showing Dog with Catch in Autumn Foilage, franked with 2¢ Bureau tied by target with Terril, Iowa postmark, small cover stain at bottom right, Very Fine, a lovely & scarce design. Estimate  $200 - 300. $0 (Image)

DuPont. Red & black design on 1907 cover "Start Off Right" showing Hunters Purchasing Tickets, franked with 1902 1¢ tied by Muscatine, Iowa machine cancel with printed advertising on reverse, Very Fine. Estimate  $100 - 150. $0 (Image)

DuPont. Red & black design on 1908 cover "For Big Game" showing Two Hunters Stalking Moose, franked with 1903 2¢ tied by Indianapolis, Ind. machine cancel with printed advertising on reverse, edge faults, Fine. Estimate  $50 - 75. $0 (Image)

DuPont. Red & black design on blue 1909 cover "For Field Shooting" showing Short Billed Dowitcher, franked with 1903 2¢ tied by Rio, Wis. duplex cancel with printed advertising on reverse, cover with original printed enclosure of the Rio Hardware, Very Fine. Estimate  $100 - 150. $0 (Image)

DuPont. Red & black design on reverse of 1926 cover showing Pointer & DuPont Chart, franked with 1922 2¢ tied by Flint, Mich. machine cancel, cover with DuPont Logo at bottom left on front with Hunter & Fisherman. Estimate  $50 - 75. $0 (Image)