US Patent 7850207 Multi-part labels with variable data on at least two layers

A multi-part label with variable data and method for its manufacture. First indicia may be printed on a first label face ply of a multi-ply label material in registration with an eventual location of at least one of a plurality of multi-part labels. The first indicia may be variable between at least two of the plurality of multi-part labels. A second label material may be removably adhered to the multi-ply first label material, thereby covering the first indicia. Second indicia may be printed on the face of the second label material. The second indicia may be variable between at least two of the plurality of multi-part labels.