Security document

A security document (10) is provided having a designated area of weakness (16) which is capable of subsequently receiving an image thereon of a predetermined amount to be paid. The area of weakness preferably comprises an area having a plurality of lines of weakening (18) formed therein. Any attempt...

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Bibliographische Detailangaben
Hauptverfasser:	ABNEY, PAUL C, MOWRY, WILLIAM H., JR, GRISWOLD, THOMAS E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BOOK COVERS BOOKBINDING COLOUR PRINTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LINING MACHINES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SPECIAL PRINTED MATTER STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A security document (10) is provided having a designated area of weakness (16) which is capable of subsequently receiving an image thereon of a predetermined amount to be paid. The area of weakness preferably comprises an area having a plurality of lines of weakening (18) formed therein. Any attempt to remove or alter the image will further weaken the area of weakness causing premature failure, thereby providing an indication of attempted alteration to the document.