To re-utilize a card and to simplify the configuration of a device.

Plural medal lending devices 1, a ticket issuing device 2 and a control equipment 3 are mutually connected trough a communication line L1. Each medal lending device 1 or ticket issuing device 2 is provided with paper money slots 8 and 10 or card slots 9 and 11 and, when the card of amount value of zero is inserted into the card slots 9 and 11, this card is returned to the card slots 9 and 11 after the amount value corresponding to the amount of paper money inserted from the paper money slots 8 and 10 is written in this card. Besides, when the card written-in with an amount value is inserted into the card slot 9 of medal lending device 1, a prescribed amount is subtracted from the amount value of this cad, and the processing of medal lending to an adjacent slot machine 5 is performed.