What are the most valuable sports cards? - Quora

Answer (1 of 9): The most expensive cards would be the old cigarette-tobacco cards from the early 1900′s. They are still available on the secondary market, but with anything collectable, condition is everything. The greats of baseball like ty Cobb, cy young, nap lajoie, and Christie matthewson ar

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What's the best baseball card you have? Why? - Quora

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What are some of the most valuable Topps baseball cards of people still alive today? - Quora

What is the most expensive baseball card that you own? - Quora

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