A security marking for a vehicle licence plate, or for other plates, has a printed layout on a support layer and sealed back and front by transparent plastic layers. The printed pattern also contains a latent image (11') which is produced by digital means ...

The license plate (1) has a plastics carrier layer (10) provided with a single-color or multi-color printed sheet (11) covered by a transparent plastics foil (14) and attached to a mounting surface of the automobile via a rear adhesive layer (12). A transp...