The Most Valuable Football Card Ever Sold Was One Of The 1894 Mayo Tobacco Company And Is Belived To Be John Dunlop Of Harvard. There were 35 players in the set from Harvard Yale and Princeton. There are only ten of these cards known in existence and one was sold on eBay for $10,101.51
If this is true, that would place the Dunlop only around #7. This list at the URL address below are realized prices and several of the cards blow this Dunlop out of the water.
See Related links below for a website that list the top ten.
Emmitt Smith
#200 Roger Staubach
the most valuable barry bonds baseball card is probably his topps rookie card
Christopher Rectumski's rookie card
The Wikipedia claims that the Black Lotus is the most valuable card ever.
in my opinion the most valuable hockey card would be rocket Richard 's rookie card
The Goldest one
What is the most valuable Pokemon card? The most valuable Pokemon card today would be the charizard card, which could reach up to $400. however there are 2 other cards that can reach up to the thousands. but they are not Pokemon. they are called, "pikachu illustrator, and mega tropical battle arena." (you will never ever find these cards)
Mario Lemieux RC
Zak Kustok
Honus Wagner's 1909 T206 Tobacco baseball card.
1984 TOPPS Robert Bluestein Card. It is worth 8 cents.