Security document and/or document of value containing a visually changeable window with a hologram

Security element with color-switching effect, use of same and method for producing same

Security element

Method for producing a composite web and security devices prepared from the composite web

Security element

Multi-layered foil body

Secure devices for personal or article identification, such as driver'S licenses and vehicle license plates, and methods of producing such improved devices

VOLUME HOLOGRAM SHEET TO BE EMBEDDED, FORGERY PREVENTION PAPER, AND CARD

Identification document and a method of producing

Security document

Photonic crystal security device and method

SECURITY STRUCTURE COMPRISING A THERMOCHROMIC ELEMENT AND A PHOTOCHROMIC ELEMENT

Security element

Information carrier precursor and information carrier produced therewith

INFORMATION CARRIER PRECURSOR AND INFORMATION CARRIER PRODUCED THEREWITH

Method of producing an information carrier

METHOD OF PRODUCING AN INFORMATION CARRIER

Information carrier precursor and information carrier produced therewith

Information carrier precursor and information carrier produced therewith

Optically variable security device and method