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security device for use on or in security document, security document (embodiments), method for producing security devices, security, method for producing security document and security document
security device for use on or in security document, security document (embodiments), method for producing security devices, security, method for producing security document and security document
Paper-based security devices having printed marks or indicia on one surface that are visible from that surface and from an opposing surface of the security device, are provided. The present invention further provides a method of making such paper-based security devices as well as security documents having at least one such security device embedded therein and/or mounted thereon.
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