Boxing manager and trainer (1908–1985) who handled the careers of Floyd Patterson, Jose Torres, and Mike Tyson. DS, signed “Constantine D'Amato,” one page, 8 x 3.25, August 1, 1956. Promissory note to the International Boxing Club for $5000, filled out in another hand and signed by D’Amato, adding “Floyd Patterson” next to his name. In fine condition, with light toning and soiling to the borders. Later on in 1956, Patterson would win his first World Heavyweight title. Pre-certified Steve Grad/PSA/DNA and RR Auction COA.
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