Muhammad Ali as Cassius ClaySigned menu card, menu from the `Jack of Clubs` nightclub in London, 10 x 14,75 inch, signed and inscribed inside in blue ballpoint ink "To Jo from Casius Clay Good Luck 1963", with creasing to the outside covers in fine condition. Accompanied by a full letter of authenticity from PSA DNA. The consignor notes that the signature was obtained in June 1963 while Clay was in London training for his fight with Henry Cooper. On June 18th, Clay defeated