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| Start / | Knowledge / | Prints / |
| Accidentals | Changes | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
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Knowledge / Prints / Additional Stamp Impressions / Accidentals |
Additional Stamp Impression Accidental: philatelic term for an additional stamp impression deviation caused by accidental |
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Additional Stamp Impression Colour Accidental: philatelic term for a deviation caused by accidental from the intended additional stamp impression colour |
Additional Stamp Impression Text Accidental: philatelic term for a deviation caused by accidental in the additional stamp impression text |
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Shifted Additional Stamp Impression: postal stationery with caused by accidental shifted additional stamp impression to another position as intended |
Additional Stamp Impression Shadow Printing: postal stationery with caused by accidental seeming double the same additional stamp impression strong and as shadow |
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Additional Stamp Impression Mirrow Image: postal stationery with caused by accidental the wrong way round additional stamp impression on reverse |
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Oblique Additional Stamp Impression: postal stationery with caused by accidental additional stamp impression shifted out of alignment |
Light Additional Stamp Impression: postal stationery with caused by accidental clear but too light additional stamp impression |
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Strong Additional Stamp Impression: postal stationery with caused by accidental clear but too strong additional stamp impression |
Additional Stamp Impression Plate With Accidental: philatelic term for an additional stamp impression printed from caused by accidental damaged printing form |
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