| 摘要 |
<p>The invention relates to a security document (10) for a valuable document and security document, comprising first particles (14) which, when the security characteristic is visually observed in incident light, at least any one first colour is displayed and in transmitted light, a second colour, which is different from the at least one first colour, is displayed. The invention also relates to a security characteristic which comprises additional second particles (12). In this case, when the security characteristic is visually observed, the first particles in the incident light have another colour than the second particles. At least the colour of the first particles is different from the first colour thereof in incident light. The invention also relates to a corresponding valuable document and security document (1) having said type of security characteristics (10).</p> |
