Alan Jeffrey Bannister known as A.J. Bannister. Executed by the State of Missouri on October 22, 1997. 
Envelope postmarked October 1997 the same month he was executed. It's addressed to Phyllis Wilcox, girlfriend of Henry Lee Lucas who once pretended to be murder victim Beckie Frieda Powell in a plot to help get Lucas out of prison.
Signed, "AJ Bannister".