Muhammad Ali is and always will be "The Greatest". Born Cassius Clay, Ali legally changed his name in 1965 when he embraced his Muslim religion. This 3' x 5" bw postcard decpicts a young Clay in traditional boxing pose. The facsimile signature "Cassius Clay" is in black in the lower right corner and Ali has signed "Muhammad Ali" in blue sharpie in the middle of the card. Signature is a later Ali.