| 摘要 |
The invention relates to a value document, in particular a bank note, having a value document substrate and different feature substances for checking the value document. According to the invention, a first feature substance is incorporated into the volume of the substrate of the value document, and second and third feature substances are applied to the value document substrate in a printing ink jointly and in the form of a coding. The second feature substance is formed by a luminescent substance, and the third feature substance by a material absorbent in a special spectral range. The two substances are used for the value recognition of different user groups. |
