[CHICAGO COLLEGE FOOTBALL]. 22nd Annual Homecoming University of Illinois Michigan-Illinois Pinback with Ribbon. October 24, 1931. [Chicago: G. Felsenthal & Sons, 1931]. Oval celluloid pinback with gold and purple ribbons. Pinback features Memorial Stadium, and the following people: Robert Zuppke (“Zup”) the legendary coach, University President H. W. Chase, Michigan President “G” Ruthven, and legendary Michigan coach, Harry Kipke. Approximately 1 ¾” x 2 ¾”. Ribbons approximately 5 ½” long. Gold ribbon with “1911” on ribbon (possibly a variant for an alumnus of the class of 1911). Minor rubbing, else a fine example of this rare pinback featuring two college football coach hall-of-famers.