A flyer for an America First rally, to be held April 4, 1941, at Municipal Auditorium in St. Louis, Missouri.  The flyer is put out by the America First Committee and says that former Governor of Wisconsin Philip La Follette and journalist John T. Flynn will be among the speakers.  America First was urging that the United States not intervene in World War II in Europe.
America First Committee
photo of physical flyer