| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a secret postcard, in which a postcard paper piece and a concealing paper piece are provided separably from each other so as to allow to effectively utilize the concealing paper piece. SOLUTION: Privileged items are written on the sealing surface 22 of a concealing paper piece. The concealing paper piece is so constituted as to perfectly be separated from a postcard paper piece. The concealing paper piece is pasted to the postcard piece in order to conceal items written on the postcard paper piece. The concealing paper piece separated from the postcard paper piece is used as a privileged card. The privileged card is set to be either one selected from the group consisting of an application blank, a merchandise exchange ticket, a cash voucher or a discount ticket.</p> |
