"win cards" are "How to play" cards, for usually Roulette, 21, and Craps. they come in a packet again usually with "win Cards chips" chips are usually 1 No Cash Value chips, in Reno you have to be a member of a casino Players club (slot card) and you give $10.00 and you get 15 1 NCV chips to play with..
Jim Folis has a real nice "Win Cards" page: http://www.thechipgallery.com/wincards?dir=wincards&page=0
It shows a lot of "Win Cards" chips used past and present, and the dealer tip coupon that again, usually accompanies the "Win Cards" info cards. Hope this helps...
Steve R-6416

GO GATORS !