| 摘要 |
The multi-layer, single-piece identification card contains at least two layers (26, 27) with differing optical transparency or colour. The surfaces of these layers resting on each other are provided with complementary, relief-type shapings (21, 22). Held against the light, a symbol or image corresponding to the shapings can be recognized which has a different brightness or colour from that of the rest of the card (25). <IMAGE> |
