| 摘要 |
The present invention relates to a security document (10) comprising: a first sheet (1) comprising a first watermark or pseudo-watermark (3), and one of a visualization screen (5) or a combined image (4), the combined image (4) comprising at least two overlapped images and being associated with the visualization screen (5), a second sheet, at least one portion of which is movable, in particular detachable, and has a possibility of moving relative to the first sheet (1), said movable portion comprising an at least partially translucent and light-scattering zone (9) and comprising the other of said visualization screen (5) and of said combined image (4), the movement of the movable portion of the second sheet relative to the first (1) making it possible to successively observe the overlapped images by at least partial superposition of the visualization screen (5) and of the combined image (4) and relative movement of one with respect to the other, the superposition, before and/or during the movement of the movable portion of the second sheet, of the first watermark or pseudo-watermark (3) on said at least partially translucent and light-scattering zone (9) making it possible to observe said first watermark or pseudo-watermark (3) only from the side of the first sheet (1). |
