Expert´s Marks Systematic: The introduction of a test mark systematic with precise determination of the location, position and orientation was carried out in order to exclude any subsequent falsification of the expert´s mark |
Positions |
Genuine Postage Stamp Without Separation Without Overprint |
Genuine Postage Stamp With Genuine Rouletting Without Overprint |
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mint never hinged: lying on the left |
used: lying on the right |
mint never hinged: diagonally from bottom left to top right |
used: diagonally from top left to bottom right |
Genuine Postage Stamp With Genuine Perforation Without Overprint |
Genuine Postage Stamp Without Separation With Genuine Overprint |
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mint never hinged: standing on the left from top to bottom |
used: standing on the right from top to bottom |
mint never hinged: lying inverted on the left |
used: lying inverted on the right |
Genuine Postage Stamp With Genuine Rouletting And Overprint |
Genuine Postage Stamp With Genuine Perforation And Overprint |
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mint never hinged: diagonally inverted from bottom left to top right |
used: diagonally inverted from top left to bottom right |
mint never hinged: standing on the left from bottom to top |
used: standing on the right from bottom to top |
Official Reprint |
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lying in the middle |