a deeply obscure 1987 release called Stadium Events, a highly sought-after collectors' item. But it wasn't even the game itself that was worth the bulk of the money -- it was the original cardboard box, which collectors value at a breathtaking $10,000.
#*%&@^ I actually had that game and gave it away with the NES system to a friend of my ex-wife...
You might be thinking of another game unless you were one of the only 200 copies to have been bought, it was only on sale in the northern U.S at Woolworth's for a very short time.