William George "Bill" Bonin aka "The Freeway Killer"  executed by the state of California on February 23, 1996. 

Three page typed letter on two sheets of 8 1/2" x 11" paper and dated August 6, 1994. Hand signed at the close, Your Loving Friend and Brother in Christ, Bill.
Includes the original San Quentin State Prison stamped mailing envelope.