A look at the most expensive Barry Sanders cards back in 1998 reveals a lesson that what is popular in the hobby today may not be quite so hot years into the future.

And through it all ... football card. And it's not just from years past; Sanders has had at least one card in the PSA yearly Top 100 for at least the past three years. 1989 Topps Traded Barry ...

Think of Barry Sanders as a coin ... Within six days in August 2004, Sanders was inducted into both the Pro Football and College Football Halls of Fame.

In June of that year, Beckett Football Card Monthly published a story outlining the top 20 most expensive Barry Sanders cards ... since the 1998 values were all based on ungraded cards and ...