| abstract |
The invention relates to a security arrangement (20-1, 20-2), for one of a number of similar security documents (10-1, 10-2) with an authentication feature (22-1, 22-2) characteristic of the security document and at least one verification element (24-1, 24-2), for checking the authentication features (22-1, 22-2) of others of the number of similar security documents, whereby a non-damaging check of the authentication feature (22-1) of a security arrangement (20-1) can only be carried out by means of a pre-determined combination effect with a verification element (24-2) of one document on a security arrangement (20-2), arranged on another similar security document (10-2). |