This three page document dated November 13, 1963, between ABC and Cassius Clay for the future world heavy weight champion to promote his upcoming fight against Sonny Liston on TV. Documents signed as Cassius Clay are extremely rare since he soon after changed his name to Muhammad Ali. Comes complete with a Letter of Authenticity from PSA/DNA.

Signature: Black Ink Pen

Size: Approx. 8.5" x 11"

Authentication: PSA/DNA Letter of Authenticity

Muhammad Ali (born Cassius Marcellus Clay Jr. January 17, 1942 – June 3, 2016) was an American professional boxer and activist. He is widely regarded as one of the most significant and celebrated sports figures of the 20th century.