Estimated Sale Price: $1500 - $2800. This unique autographed shadow box features iconic shots from one of the greatest boxing matches of all time: Muhammad Ali vs Sonny Liston. Autographed by Muhammad Ali, this piece of memorabilia features several shots of the fight alongside Ali's autograph, which has been authenticated by PSA/DNA. With Muhammad Ali being deceased and one of the greatest athletes of all-time, this piece is a must have for any avid collector and is incredibly rare.