Baseball cards are a multi-billion-dollar industry appealing to collectors all over the world, with the most valuable baseball cards selling for over a million dollars. The value of baseball cards ...

If you grew up in the 90s ... card figures. Troy Aikmen 1996 SLU blue sleeve variant. This figure was one of three of Aikmen released that year with the blue sleeve being the rarest and most valuable.

He regularly bought packs of Magic: the Gathering cards in the mid '90s. One day ... Adam Mahadeo, 27, of Valley Stream, with the most valuable Yu-Gi-Oh! cards from his collection.