What are the rarest sports cards?

1909 T206 Honus Wagner is the most expensive baseball card ever sold. The price is $3.12 million.   Mickey Mantle from 1952 Topps. This property is priced at $2.88 million.   Mickey Mantle signed by Bowman in 1951. Seven hundred fifty thousand dollars.   A Sporting News article about Babe Ruth in 1916.   Pete Rose from 1963 Topps. ...  Eddie Plank, 1909 T206. E90-1, 1909 American Caramel Joe Jackson,
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