| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a stock with reproduction forgery prevention effected, having a tone and a color easy to distinguish a truth or not at a part area thereof and provided with a transfer foil difficult to reproduce, able to judge truth or not by viewing, and unable to reproduce by a color copy machine. SOLUTION: A peel ply 11, a metallic thin film layer 13 which is formed by laminating one or more laminate plys of a metal or a metallic oxide thin film and an adhesive layer 16 are provided on a base member. A layer out of the metallic thin film layer 13 is a transfer foil 18 formed by a metallic reflection layer 15, the film thickness thereof is 100-10,000Å. The stock is effected a reproduction forgery prevention by transferring this transfer foil 18 to a part area of the stock 20.</p> |
