CASSIUS CLAY aka Muhammad Ali vs OSCAR BONAVENA 1970. CLAY won by TKO 3 KNOCK DOWNS in the 15th round. the only time BONEVENA was ever stopped. This was the 2nd fight of CLAY’S comeback. CLAY in larger type because v. early use of name Muhammad Ali. 1970 boxing poster and DIRECT FROM MADISON SQU. GARDEN. LIGHTWEIGHT CHAMPION KEN BUCHANAN also fought on this card. VERY RARE.