RIVERBOAT LOVERS !! The price on these is $6.50 each plus shipping. To see close-ups of the chips as well as what the side looks like when stacked, see this link to Greg's chipguide.com page with them nicely shown:

http://www.chipguide.com/cgi-bin/search/search.cgi?id=ingatc

Although I'm surfe there's some out there, you don't see the complete sets of these too often.