Aileen Carol Wuornos was a female serial killer who was executed via lethal injection by the state of Florida on October 9, 2002. 

Four page handwritten letter dated July 27, 1993 which she sent to her childhood friend. 
The letter has excellent content and Wuornos has drawn three cartoon characters on the first page and one on the second page.
The letter is hand signed twice by Wuornos.
 
The top of the first page is hand signed, Aileen Wuornos. 
On the last page Wuornos has hand signed again at the close, Lee. 
Includes the original prison mailed envelope completely written by Wuornos and postmarked July 29, 1993. 
The envelope is hand signed, Aileen Wuornos.