PURPOSE: To extremely suppress the remodelling of the conventional system and to automate the exchange of foreign currency by attaching the check/foreign currency issuing unit and the sign unit as a new unit.

CONSTITUTION: In purchasing the traveler's check, a control part 101 accepts the telegram permitting the paying from a host device and performs displaying the entry of the signature to a sign part 121 to an operation display/input part 110. A sign window 121a permits the user to make a signature. At the same time, the number of checks required for a foreign currency/traveler's check paying part 120 is counted. Then, when the signature is entered, the sign part 121 directs the printing of the transaction result to specifications printing part 108. When these processings are ended, the return of the transaction card is directed to a card 104. By displaying it on the operation display/input part 110, the user transaction card and the specifications are passed. Finally, the foreign currency/traveler's check paying part 120 is directed to pass a user the traveler's check from the paying port 120a and the transaction is ended.