Reclusive chess grand master who scored a Cold War triumph by defeating Russian world champion Boris Spassky in a 1972 competition. Personal check, 6 x 2.75, filled out and signed by Fischer, signed 'Robert Fischer,' payable to Claudia Mokarow for 100.00, November 1, 1974. In fine condition, with bank stamp just touching first letter of signature. RRAuction COA.