Some similar domains sales:
poker.uz Nov 7, 2012 $1,050.00 Sedo.com
poker.md Jul 26, 2011 $2,000.00 Sedo.com
casino.bo Nov 16, 2011 €1,700.00 Sedo.com
casino.net.in Jul 29, 2011 $500.00 Sedo.com
casino.bo Jan 1, 2011 $2,278.00
The extensions are most likely worthless, but with the keywords, you may get lucky to get $xxx to $x,xxx. Good luck.