No original signature on the voucher cover or invoice. Travel mileage on 08/09/23 appears to be reported as round trip but is not stated on the Mileage/Miscellaneous Reimbursement Voucher. Travel mileage on 08/21/23 appears to be reported as a one-way trip but is stated on the Mileage/Miscellaneous Reimbursement Voucher as round trip.