| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a confidential information concealing card and a method of using the same, capable of determining an imitation even in the case where a card is imitated by any possibility. SOLUTION: A confidential information concealing card is composed of a card base material 11, a confidential information display layer 12 formed on the card base material 11 and displaying confidential information (a), a removable part 14b which is formed on the confidential information display layer 12 to conceal the confidential information (a) and which is removed to make the confidential information (a) visible, and a confidential information concealing layer 14 having a residual part 14a attached to the confidential information display layer 12 even after removing the removable part 14b.</p> |
