Abstract: A refund coupon redeemable at a cash value at retail stores when a proof-of-purchase comprising a portion of a given product's packing packaging is affixed to the coupon. The coupon includes coupon indemnification indicia thereof corresponding to product identification indicia on the product and location indicia means indicating a location on the coupon for affixation of a portion of the product's packaging carrying the product identification code. The coupon identification indicia and the location indicia are positioned on the coupon proximate each other to facilitate a visual comparison of the coupon identification indicia and the product identification indicia affixed to the coupon.