History Colorado’s new Play Ball! exhibition showcases one of the greatest sets of baseball artifacts ever assembled. Why are Americans so fascinated by this sport, and why do we call it our national pastime? Marshall Fogel, owner of the gem mint PSA 10 ‘52 Topps Mantle card and the collection, explores the history and legacy of baseball and shares the stories behind the card and his expansive collections of baseball artifacts. Gain insight into how to turn a passion into a collection—and maybe even sending that collection to a museum someday!