Data carrier having a picture theme superimposed by a line patte

Document security system

Document with anti-counterfeiting means to prevent reproducibili

Documents containing information invisible to the naked eye

Extended text wrap label and method of manufacture thereof

Extended text wrap label and method of manufacture thereof

Flexible composite recording material for facsimile machines

Identification card and a method of producing same

Identification card method and apparatus

Identity card and a method for producing an identity card

Infrared-absorbing mark printed matter

Integrated image scrambling and descrambling

Lottery card and method

Lottery ticket

Luminescent writing display device having protective layer

Method of making color change devices activatable by bending and

Method of screening half-tone picture themes

Multi-layer label with variable data and method for its...

Multicolor printed product containing pearl luster pigment

Multilayer label and method of making the same