Cassius Clay and Henry Cooper Exhibit Quality Framed Signature Display W/COA - This exhibit quality framed display contains signatures by Cassius Clay (Muhammad Ali) and Henry Cooper, who also adds the inscription "Ali was the 'greatest' the fastest moving heavyweight of all time." The signatures have been professionally matted and framed in an exhibit quality display along with a black and white photo of the boxing stars. The lot includes a certificate of authenticity. Measurements: 21.5 x 16 inches