Exceptional collection of high-grade Hall of Famers from the popular and condition-sensitive 1971 Topps issue.  Each of the cards has been graded NM-MT 8 by PSA.  Collection includes the following:  1) #50 Willie McCovey (HOF); 2) #55 Steve Carlton (HOF); 3) #550 Harmon Killebrew (HOF); 4) #640 Frank Robinson (HOF).  Four cards total, each among the more desirable and valuable Hall of Famers in the set.