What is the most ever paid for a baseball card?

A 1914 Babe Ruth rookie baseball card - just the tenth card of its kind to be discovered just sold at auction (May 4. 2008) for $517,000. The card was produced by the Baltimore Sun Newspaper. The second most valuable baseball card behind only the 1909 T206 Honus Wagner tobacco card which recently sold at auction for $2.8 million.

The famous "Gretzky T206 Honus Wagner" baseball card selling for $2.8 million in 2007. Wayne Gretzky and Bruce McNall bought the T206 Honus Wagner card in 1991 for $451,000., and sold it for $500,000. in 1995.