1. A counterfeit-resistant document, comprising: a substrate; and a validation mark disposed on said substrate, said validation mark comprising a unique chemical signature specific to an identifying aspect of said document.
1. A counterfeit-resistant document, comprising: a substrate; and a validation mark disposed on said substrate, said validation mark comprising a unique chemical signature specific to an identifying aspect of said document. 5. The counterfeit-resistant document of claim 1, wherein said unique chemical signature comprises a unique molecular code.