Marlboro, MA: C.H. Proctor, n.d., ca. 1890s. Pictorial broadside printed on front panel of unused brown paper bag (38x25.5cm.). Edges toned, a few nicks and smudges, else a Near Fine example. Paper bag promoting the condition powders "For Horses, Cattle, Poultry, and Swine" invented by C.H. Proctor of 13..... More