Patent ID: 7118478

Claim:
A method of verifying the authenticity and value of gaming vouchers output from a gaming machine, the method comprising: (a) printing a first machine readable indicia on the gaming voucher, the first machine readable indicia representing a unique gaming voucher number and not including data representing the value of the gaming voucher; (b) storing the value of the gaming voucher in a database remote from the gaming machine in association with the unique gaming voucher number; (c) printing a second machine readable indicia on the gaming voucher, the second machine readable indicia representing at least: (i) the value of the gaming voucher; and (ii) a portion of the unique gaming voucher number; (d) outputting the gaming voucher containing the first and second machine readable indicia from the gaming machine; (e) reading the first and second machine readable code during a voucher redemption process; and (f) comparing the data in the second machine readable indicia to the data in the remote database to verify the authenticity and value of the gaming voucher, wherein the first and second machine readable indicia are bar code symbols.