Reclusive chess grand master who scored a Cold War triumph by defeating Russian world champion Boris Spassky in a 1972 competition. Commemorative cover, 6.5 x 3.5, with a cachet honoring Fischer-Larsen Candidates' Tournament for the World Chess Championship, Denver, July 1971, signed 'Bobby Fischer' in blue ink. Postmarked July 6, 1971, Denver. In fine condition. RRAuction COA.
