Usually, such a promotion is offered for loyal regulars who play at the casino online for real money.
http://www.horsecity.ru/phpBB3/viewtopi ... 3&t=404273
http://ewmen.com/viewtopic.php?p=1637617#p1637617
http://023002.com/forum.php?mod=viewthr ... 713&extra=
viewtopic.php?t=181164
https://lasthopewow.ucoz.ru/forum/16-7887-1#30111
http://forum3.bandingklub.cz/viewtopic. ... &t=1596348
http://qrfonline.qrfmag.com/qrfswap/vie ... p?t=128334
http://www.horsecity.ru/phpBB3/viewtopi ... 8&t=140559
http://forum.bandingklub.cz/viewtopic.p ... &t=1403640
https://mmomakemoneyonline.net/threads/ ... us.700312/
https://debate.socialism.nl/forum/showt ... tid=277420