For some, collecting baseball cards has been a passionate life-long hobby. Baseball cards became popular in the early 1900s when cigarette companies used them as package inserts to boost sales. They were also included with bubblegum until they took off as an independent product in the 1980s.

Several factors decide whether or not the cards you have are worth money, from their quality to the player featured. If you're very, very lucky, you’ll find you have one of the most expensive baseball cards just lying around in your attic. If you do, it could be like winning the lottery.


1. 1909 T206 Honus Wagner

Last Sale Price: In 2016, this card sold for $3.12 millionThe T206 Wagner is known as the “Mona Lisa” of baseball cards, and there are believed to only be around 50 of these cards in existence today.

While the age of the card often plays a part in the disappearance of these cards from circulation, the Pittsburgh Pirates star banned the American Tobacco Company from producing cards with his face.

This is one of those cards where the quality might affect the overall sale price, but it is such a highly in-demand collectible that in any state, people will be willing to buy.

Honus wagner baseball card Mario Tama / Getty Images


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