The Hard Rock Casino in Sioux City, IA opened August 1st and was issuing Founding Member cards for those signing up for cards before the casino opened.

Normal cards will be similar to the current Hard Rock LV Backstage Pass packing crate cards but with the Sioux City logo. Cards come in three levels according to their website - General Admission, Entourage and Platinum Access.

Here's a link to the casino's website Rewards Club page - click on the button down on the left for Rewards & Benefits Summary for pictures and info on the card levels
http://www.hardrockcasinosiouxcity.com/venue/backstage-pass-rewards-club/

Here's a link to the scans of the Founding Member General Admission card
http://www.themogh.org/cg_showpic2.php?cg=132368