cover DuPont Powders, multicolor design of championship hunting dog on point on the front, overall ad on reverse of a chart listing shotgun powder charges required for various types of small game in red and black on 1929 DuPont illustrated ad cover, violet ms. address, franked with 2c Kansas overprint (660), tied by partly readable Atchinson, Kans. duplex pmk., small cover edge flaws at T. from opening, otherwise very fine