1921 Whitter vs. USC Guard football ribbon

This is an guards field ribbon from 1921, for football.   It says "Guard, Whitter vs USC, Nov. 19th, 1921, Bovard Field"  This ribbon is from before the Coliseum was built, and USC played their home games at Bovard Field.   USC won this game 14-0.   It is in VG-, and an extraordinary piece of USC football history.