"By the '80s, baseball card values were rising beyond the average hobbyist's means. As prices continued to climb, baseball cards were touted as a legitimate investment alternative to stocks, with The ...
The first thing you'll notice is that the BGS 9.5 graded cards in the table warrant healthy and sometimes massive premiums to ungraded book value. For example, a BGS 9.5 1993 SP Derek Jeter RC carries ...