| 摘要 |
A postcard having at least one first part and one second part, set alongside one another, where the first part can be folded like a book on said adjacent second part so as to be superimposed on the latter covering it completely, and wherein the first part is provided with portions of area that can be glued on the second part and can be removed by tearing, thus obtaining that the inner surfaces not involved by the glue of the two parts that are glued to one another can be dedicated to the information and/or messages that the sender wishes to transfer to the addressee, with guarantee of confidentiality and evidence of any possible attempts at tampering.
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