A portable plastic coupon card having coupons digitally encoded thereon is swiped through a coupon reader that, along with other coupon readers, is electrically interconnected to a store server that stores and processes all purchaser data and coupon data for each individual issued one coupon card so that any item purchased by an individual and which corresponds to a particular digitally encoded coupon can be redeemed upon verification by the store server that the item is redeemable whereupon an electrical transmission from the store server to the particular checkout register causes that item to be redeemed and displayed as a coupon redeemable purchase on the printed receipt provided to the individual.