DuPont Sporting Powders. Multicolor design on 1910 cover showing Quail on Rail Fence & Cornfield, franked with 2¢ Washington-Franklin tied by Portland, Me. machine cancel, inscribed at bottom "We Sell DuPont Sporting Powders", printed advertising text on reverse, original printed invoice included of the "T.B. Davis Arms Co., Firearms, Ammunition, Fishing Tackle, Baseball Goods, Pocket Cutlery and Blasting Material", roughly opened at right, Fine. Estimate  $75 - 100. $0 (Image)

DuPont Sporting Powders. Multicolor design on 1911 cover showing Quail on Rail Fence & Cornfield, franked with 2¢ Washington-Franklin tied by Omaha, Neb. machine cancel, inscribed at bottom "We Handle Shells Loaded With DuPont Smokeless And DuPont Black Sporting Powders", printed advertising text on reverse, couple small edge tears at top, Very Fine. Estimate  $150 - 200. $0 (Image)

DuPont Sporting Powders. Multicolor design on 1911 cover showing Quail on Rail Fence & Cornfield with printed bulk mailing permit of Auburn, Me., inscribed at bottom "We Sell (Logo) DuPont Sporting Powder", printed advertising text on reverse, Extremely Fine. Estimate  $150 - 200. $0 (Image)