| abstract |
The present invention comprises at least one printed item of at least one design (3) on at least one surface of different opposing surfaces (20, 21), said surface (20, 21) (3) is a surface treatment method of a paper currency (1) covered by a transparent protective coating (R), characterized in that it comprises the steps of applying an organic chemistry comprising fluorine atoms in the form of at least one perfluoro-polyether group Characterized in that a coating containing a compound and a varnish is applied to the surface (20, 21) by printing and then drying is carried out. |