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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 / Errors |
Paper error: philatelic term for a paper deviation |
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Mixed up paper: postage stamp printed on paper which was planed for another postage stamp caused by error (e. g. with watermark) |
Mixed up paper colour: postage stamp printed on coloured paper which was planed for another postage stamp caused by error |
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Paper colour error: philatelic term for a deviation from the intended paper colour caused by error |
Thinner paper: postage stamp printed on paper with a lower grammage as intended caused by error |
Thicker paper: postage stamp printed on paper with a higher grammage as intended caused by error |
Porous paper: paper produced with not enough glue so the design print is interconecting caused by error |
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Granite paper: postage stamp printed on granite paper instead on paper without fibres caused by error |
Horizontal laid paper: postage stamp printed on horizontal in-stead vertical laid paper caused by error |
Firmly sticking postage stamp: self-adhesive postage stamp which can not striped without damage from the backing film caused by error |
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