A face panel assembly is disclosed having a mounting flange for detachably fastening to a bill/coin acceptor in an automatic vending machine, a slot for the insertion of a bill/coin into the bill/coin acceptor, and a RFID module, which has a sensor for sensing a RFID stored-value card for enabling the RFID module to fetch stored data from the RFID stored-value card and to transmit the fetched data to the automatic vending machine, and a transmission interface (wired or wireless type) for communication between the RFID module and the automatic vending machine.