Only a few dozen T206 Wagners are known to still exist, having been released in limited numbers just after the turn of the twentieth century. Most, with their creases and stains, look like they've been around for nearly one hundred years. But one--The Card--appears to have defied the travails of time. Its sharp corners and still-crisp portrait make it the single-most famous--and most desired--baseball card on the planet, valued today at more than two million dollars. It has transformed a simple hobby into a billion-dollar industry that is at times as lawless as the Wild West. Everything...