Sir Henry Cooper Signed Boxing Photograph Henry Cooper v Muhammad Ali - limited edition 'gallery of greats ltd' signed art print, mounted and professionally framed with certificate of authenticity. The image is from an original painting by sports artist, Gary Keane depicting the moment in boxing history on June 18th 1963 at Wembley Stadium, when 'Clay' was caught with a Cooper left hook and was knocked to the canvas for the first time in his professional boxing career