| 摘要 |
A method of manufacturing a mail item, said method comprising the following steps: a) obtaining the three-dimensional structure of the fibers of said mail item by means of a scanner device; b) determining a unique fingerprint code on the basis of said three-dimensional fiber structure; c) generating a two-dimensional bar code including a unique identification number; d) creating a database associating said unique identification number with said unique fingerprint code; and e) printing said two-dimensional bar code on the mail item. The invention also relates to the method of verifying the mail item manufactured in this way.
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