Baseball error cards valuable in the 1980s and some classic cards are still very affordable and obtainable.

Sports card collectors tend to want absolute perfection in the cards they are collecting. That is not the case though when it comes to chasing after true error cards ...

Former Phillies starting pitcher Kyle Kendrick facing the Colorado Rockies on April 19, 2014. Justin Edmonds / Getty Images Many collectors have discovered a rare ...

It's late March 1981, REO Speedwagon has just surged to the top of the pop charts with "Keep On Loving You," and the new season's cards have finally hit the shelves. The arrival of baseball cards ...