1952 Topps gets the attention, but the two biggest guys in the set, Mantle and Mays, actually have their rookies the year before in 1951 bowman.
Rolling around ebay I came across this guy.
Think about this for a minute. For just over a G you can own a pretty solid copy of what some consider to be the best player of all time. Mays was amazing. Only Babe Ruth and Ty Cobb can seriously be considered as being better than the Say Hey Kid.
It is also just a really cool looking card.