There's a good chance that if you were a boy in the early 90s that you were a collector of baseball cards. For a few years, the baseball card industry went from being a niche collectible to a massive industry. It was, for a brief period, a legitimate bubble. On this week's Odd Lots podcast we talk to Dave Jamieson, the author of Mint Condition: How Baseball Cards Became an American Obsession. Among the topics we discussed include the role that pricing guides had in exacerbating the boom, the way that supply massively expanded to meet the raging demand, and how baseball cards have always been a gateway to various vices.

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