[STOCK POSTER]. Magician and Cannon Billboard Stock Poster. Milwaukee: American Poster Corporation, ca. 1915. Enormous stock poster based on a design for Harry Jansen. The magician standing at the left fires a large cannon from which erupts various illusions from his show. A cast of characters and a grunting donkey pulls the wagon forward. 94 x 81”. Old linen backing, with wrinkling, spots of wear, and chips; B.One of a series of stock images based on earlier designs created for Jansen, “America’s Greatest Transformist” who went on to great success as Dante the Magician. The cast of characters pulling the cannon appear in a three-sheet design as well.