When you think about baseball cards, you probably think of the big ones: Glitzy insert cards, big name rookie chases or iconic collectibles like the 1957 Mickey Mantle or the T206 Honus Wagner. But ...
When Oliver Burkhardt underwent leukemia treatment at age 9, he'd enter the hospital wearing his patch-covered denim jacket. Pokemon. Superman. NASA. Police, fire, military. Classic rock bands.