| 摘要 |
Device for sending postcards or other views in such a way as to keep the message secret. It consists of a single sheet having around the perimeter of its verso (1), at least partly, an adhesive system (2) by which it can be positioned on the verso of the postcard (12). The device is characterised in that it is independent of the postcard and has a means of positioning on said postcard. <IMAGE>
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