John Wayne Gacy aka the "Killer Clown" and "Pogo the Clown" was a Des Plaines, Illinois serial killer convicted of 33 murders and who was executed by the state of Illinois via lethal injection on May 10, 1994. 
 
8 1/2" x 11" one page letter dated February 28, 1985 written to a member of his legal team.
Hand signed at the close, John. 
Gacy has included two pages of jokes which he mentions in the letter. The Tribune notice mentioned in the letter is NOT included. 

Includes the original mailing envelope addressed to a member of his legal team and postmarked twice March 1, 1985 Menard, Illinois.