Postcard - Postcard. Square corner post card with 11" x 17" display board and easel backing for display. Skin packaged card has random playing card attached. Standard deck of 52 cards is used. No custom imprint on playing card. You provide the graphics for the board and determine which cards the dealer is to show. You select which playing card should be screened on the postcard and display board to determine number of winners. Cards for mailing or handout.