Ty Cobb Back – 1909 T206
In the T206 set, there were four Cobb cards. However, one’s so rare that it surpasses the T206 Wagner. In fact, there are only 19 Cobb-Cobb variations that the PSA has graded, and this one sold in 2018 for $408,000!
Mickey Mantle – 1956 Topps
Of the many Mantle cards out there, this one is highly popular. You see the smiling face, which is because he got the Triple Crown in 1956. The same year, he became a baseball celebrity. A grade 10 card like this sold for about $382,000!