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. 

4" x 9" letter from Gacy which was sent out during his first year on death row. The letter is hand dated December 30, 1980 and hand signed at the close, John W Gacy.

John Wayne Gacy Signed Letter 1980