Paper sheet processing apparatus and paper sheet processing system

A paper sheet processing apparatus comprising:

• an insertion slot through which a paper sheet is to be inserted;
• a conveyance unit configured to convey the paper sheet inserted through the insertion slot;
• a reading unit configured to read information on the paper sheet conveyed by the conveyance unit;
• a verification unit configured to verify the paper sheet using the information read by the reading unit;
• a control unit configured to control the conveyance unit to convey the paper sheet toward the insertion slot in a case where the verification unit determines the paper sheet is counterfeit as a result of the verification;
• a storage unit configured to store information on a paper sheet determined by the verification unit to be counterfeit;
• and
• a comparison unit configured to compare the information on the paper sheet inserted through the insertion slot with the information on the paper sheet stored in the storage unit,
• wherein the control unit is further configured to send a report signal to a host apparatus in a case where the comparison unit determines that the information on the paper sheet inserted through the insertion slot is identical to the information on the paper sheet stored in the storage unit as a result of the comparison.