"This," Aaron said about the letters, "changed me." The summer of '73 ended with Hammerin' Hank at 713 homers after hitting a remarkable 40 in just 392 at-bats. He was 39. In his first swing of ...

Ultimately, I ended up with three finalists, any of which would be an absolute grail card for any Hank Aaron collector or even baseball fan. Of course, why limit oneself to the home run kings of ...