Just found this on eBay, and it doesn't seem quite right.
I know the Engelhard bar is collectible, and so are the strikes and tokens.
$1600 just seems like a bit much.

http://www.ebay.com/itm/999-Fine-silver-Rounds-Bullion-Melt-Coins-Casino-/331253159209?pt=US_Bullion_Bars_Rounds&hash=item4d203a1529