Ronald Joseph "Butch" DeFeo Jr. is an American mass murderer who was convicted of the 1974 murders of his parents and siblings in their 112 Ocean Avenue home in Amityville, Long Island, New York. The case inspired the book and movie, The Amityville Horror. Defeo died on March 12, 2021 while serving life in prison.
 
Approximately 8" x 10" handmade Valentine's Day card with a handwritten message on the inside to his wife and hand signed, Ronnie.
 
Includes the original prison mailed envelope which has also been signed on the back by the officer who inspected the mail before it left the prison.  
The envelope has been hand signed twice, once on each side, Ronnie Defeo.