| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a print prevented from counterfeiting in which its counterfeiting is very difficult by a commercial color copying machine, which can be produced in a low cost, and in which the genuine one and the counterfeit are clearly distinguished by using a simple device. SOLUTION: Of the print prevented from counterfeiting, at least a part of the printed area is printed with an ink 13 for preventing counterfeiting containing a pearl pigment and a fluorescent pigment, and at the same time, at least a part is printed with an ink using the pearl pigment 12 used for the ink 13 for preventing counterfeiting.</p> |
