If $5,000 casino chips could talk, what would this one say? It might explain its recent travels and how it has ended up in the custody of a cashier at the MGM Grand, who questioned whether it really belonged to the gambler who turned it in. The gambler, a poker player, made the mistake of treating the chip like currency. And all he's got to show for it today is a piece of paper - a receipt for the chip he no longer has - and no money.