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| Start / | Knowledge / | Separation Methods / |
| Accidentals | Changes | Designs | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
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Knowledge / Separation Methods / Die-cuttings / Accidentals |
Die-cutting accidental: philatelic term for a die-cutting deviation caused by accidental |
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Shifted die-cutting: postage stamp with shifted die-cutting to another position as intended caused by accidental |
Albino die-cutting: postage stamp with not fully punched out die-cutting holes but only slightly pressed in caused by accidental |
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