John Wayne Gacy aka "Pogo the Clown" and "The Killer Clown" a Des Plaines, Illinois serial killer convicted of 33 murders and executed by the state of Illinois on May 10, 1994.
 
3 3/4" x 8 1/2" advertisement for a 900 phone number from the early 1990's proclaiming his innocence with an ad for Mike Diana comics on back.