1948 Leaf (Stan Musial)
The legendary hitter has two rookie cards that are the most recognized, but 1948 Leaf Stan Musial is the tougher card to find. Its use of color makes it more visually attractive compared to the other one, which features the black and white normally used during that time. Stan Musial is among a few players whoe exemplified consistency. He was an NL champion seven times and was elected to the Baseball Hall of Fame back in 1969. A PSA 9 copy of his 1948 Leaf card fetched $312,000 in February of 2018.
1933 Goudey (Lou Gehrig)
Gehrig’s popularity turned out to be as durable as his playing was on the field. The Iron Horse retired In 1939 holding the baseball record for the most consecutive games played. Since then, Cal Ripken Jr. had broken that record but all the same, a copy of the 1933 Goudey Gehrig with a PSA 10, the only one that received the Gem Mint grade, was estimated to be worth $33,000. However, when it was auctioned off in 2007, it went for for $274,950. More than 10 years later, it remains the only 1933 Goudey Gehrig card that has received a PSA 10.