Collection of 11 postcards featuring ballpark images including four of the familiar Polo Grounds postcards - three that include the image of manager John McGraw plus a fourth variation without the image. Collection also includes a postcard of the "Cubs Ball Park in Chicago " and another of Navin Field in Detroit. Also included are two postcards depicting the Cubs spring training facility at Catalina Island California - one real photo postcard and another illustration both depicting game play. One postcard depicts the growd at West Side Ball Park in Chicago and the remaining two depict amateur games in Sioux City and Randolph NY. 11 postcards total.