COIN-DISCRIMINATOR ANTI-COUNTERFEITING METHOD AND APPARATUS

摘要

Vouchers and methods for providing vouchers configured to assist in distinguishing unauthorized duplicate or counterfeit vouchers are disclosed herein. In one embodiment a voucher can include a substrate, a first indicia(312)on the susrate, and a thermally responsive second indicia (316) on the substrate. At least one of the first indicia and second indicia indicating a value of the voucher. The method includes providing a substrate with a thermally responsive first indicia and printing on the substrate at the coin-counting machine at least a second indicia.