Paul Charles Denyer Australian serial killer known as the "Frankston Serial Killer" and currently serving three life sentences for the murders of three women in Melbourne, Australia and due to an identity issue wants to be a woman and goes by, Paula Chelsea Denyer. 

One page letter written on an air mail aerogramme signed at the close, Paula.  Signed again with his complete return address, Ms. Paula Chelsea Denyer.

Paul Denyer Letter Signed Twice