摘要:
A card (20) used for obtaining goods or services which is processed to be printed with a visible mark (23) representative of present of a benefit at an end of validity of the card. In a coupon card having a record representative of an amount of money and used for payment of a charge for goods or services, a card processing device (40) reads the record as a read amount, compares the read amount with a predetermined value and printing onto the card a visible mark representative of present of a benefit when the read amount coincides with the predetermined value.