Document with anti-forgery and anti-falsification means

A document with counterfeit-preventing and forgery-preventing means comprising a sheet element, wherein said document comprises at least one region of said sheet element which has a thickness which is different than the thickness of the part of said sheet element arranged adjacent to said at least one region such that said at least one region provides a graphic representation that forms, in reflected light, an image that is different from the image of said graphic representation viewed against the light.

A document with counterfeit-preventing and forgery-preventing means comprising a sheet element, wherein said document has at least one first region of said sheet element which has a thickness which is different than the thickness of the part of said sheet element arranged adjacent to said at least one first region and at least one second region of said sheet element which has a thickness which is different than the thickness of the part of said sheet element arranged adjacent to said at least one second region, said first and second regions providing a first image and a second image which are visible in reflected light on the front and on the back of said sheet element respectively, said first and second images being complementary to each other when viewed against the light.

A document with counterfeit-preventing and forgery-preventing means comprising a sheet element having, on at least one face, at least one graphic marking which is visible in reflected light, wherein said document comprises at least one region of said sheet element which has a thickness which is different than the thickness of the part of said sheet element arranged adjacent to said at least one region such that said at least one region provides a graphic representation that can be seen against the light and is in register with said at least one graphic marking.

A document with counterfeit-preventing and forgery-preventing means comprising a sheet element, wherein said document has at least one graphic marking which is visible in reflected light on at least one side of said sheet element and is provided in a region of said sheet element, which has a thickness which is different than the thickness of the part of said sheet element arranged adjacent to said region.

A document with counterfeit-preventing and forgery-preventing means comprising a sheet element, wherein said document comprises at least one graphic marking on one side of the sheet element and, on the other side of the sheet element, at least one graphic marking which is mirror-symmetrical and in register with the graphic marking formed on the one side, said graphic markings being provided in a region wherein the thickness of said sheet element is different than the thickness of the part of said sheet element arranged adjacent said region.