Mallard in Flight, lovely multicolor design of the "C. Nauman & Co., Wholesale Dealers in Game and Poultry" showing Mallard in Flight over Marshes on 1904 cover, franked with 1902 Regular Issue tied by San Francisco machine cancel and addressed to Los Banos, Ca., minor reduction at right and minor cover wrinkles, Very Fine, An unusual item as this design was undoubtedly inspired by similar designs used on Gun and Shell Advertising covers. Estimate  $150 - 200. $0 (Image)