In this Backstory piece, Larry Potash cracks open his baseball card collection and looks at the rise, fall, and rise again of these cardboard keepsakes.

How did baseball cards get started as a thing? Where does the hobby stand in the digital age? And most importantly – is Larry’s collection of ‘70s baseball heroes worth anything?

Backstory with Larry Potash airs Saturday nights at 6 p.m. on WGN. Catch up on previous seasons of Backstory with the podcast at WGNtv.com/Backstory via Stitcher, iTunes, Google Play, or wherever you get your podcasts.