1. A document for deterring a nefarious reproduction thereof upon a color copier comprising: a substrate; a first tone invalidating image printed in a certain area on said substrate, said invalidating image including at least one outlined character, the outline of said character being at the inner and outer edges of said character, the outlining being a less than full tone image; a less than full tone colored background printed on the remaining areas of said substrate, said background including the space inside said inner outline edge of said character and the space between said inner and outer outline edges; a second tone camouflage image printed in an overlay fashion over said colored background and said first tone image, wherein said first tone invalidating image formed of said at least one outlined character is substantially invisible to the human eye when viewed in conjunction with said second tone camouflage image and said background, but which said first one invalidating image formed of said at least one outlined character is readily apparent upon a reproduction of said document by said color copier.
1. A document for deterring a nefarious reproduction thereof upon a color copier comprising: a substrate; a first tone invalidating image printed in a certain area on said substrate, said invalidating image including at least one outlined character, the outline of said character being at the inner and outer edges of said character, the outlining being a less than full tone image; a less than full tone colored background printed on the remaining areas of said substrate, said background including the space inside said inner outline edge of said character and the space between said inner and outer outline edges; a second tone camouflage image printed in an overlay fashion over said colored background and said first tone image, wherein said first tone invalidating image formed of said at least one outlined character is substantially invisible to the human eye when viewed in conjunction with said second tone camouflage image and said background, but which said first one invalidating image formed of said at least one outlined character is readily apparent upon a reproduction of said document by said color copier. 2. The document as set forth in claim 1 wherein the outline of said at least one outlined character is formed of approximately one-tenth inch stroke thickness, said stroke thickness being the width of the character outline edges, the outline of said at least one outlined character being substantially continuous upon the reproduction of said document by said color copier.