Just found an older paper Very Important Player card that was used to track play at the Fremont in LV and appears it was older than the similar paper cards previously listed.

A scan of the new card is on the ChipGuide now
http://themogh.org/cgupdate/cg_showpic.php?pic=../cg_pix/nv/122142.jpg&picr=../cg_pix/nv/122142a.jpg