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| Start / | Knowledge / | Prints / |
| Accidentals | Changes | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Safety Measures | Quality |
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Knowledge / Prints / Print Substrates / Fakes |
Paper Fake: genuine postage stamp on faked paper |
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Genuine Paper: authentic paper with no additional forgery |
Cleaned Paper: genuine paper with deceitful removed contamin-ation |
Papier With Repaired Tear: genuine postage stamp with deceitful reweaved damaged paper |
Paper With Pressed Out Slight Creases: genuine postage stamp with deceitful pressed out (slight) creases |
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Supplemented Damaged Paper: genuine postage stamp mit thin spot deceitful filled up |
New Backing: genuine postage stamp with a thin patch deceitful shaved down and glued on a new backing |
Supplemented Postage Stamp Margins: genuine postage stamp with deceitful supplemented bogus margins |
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Supplemented Postage Stamp Corner: genuine postage stamp with deceitful supple-mented bogus corner |
Fake Paper Colour: postage stamp on genuine paper with deceitful changed overprint colour |
Toned Up Paper Colour: postage stamp on genuine paper with deceitful toned up light colour |
Toned Down Paper Colour: postage stamp on genuine paper with deceitful toned down strong colour |
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