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| Start / | Knowledge / | Prints / |
| Accidentals | Categories | Changes | Designs | Differences | Errors | Fakes | Issue Occasions | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality | Safety Measures |
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Knowledge / Prints / Postage Stamp Overprints / Quality |
Postage stamp overprint quality: subjective assessment of the quality of all properties of a postage stamp overprint |
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Perfect centered overprint |
Very good centered overprint |
Good centered overprint |
Slightly off centre overprint |
Somewhat off centre overprint |
Clearly off centre overprint |
Postage stamp overprint quality grades: subjective perception of a postage stamp overprint quality in different grades and conditions |
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Faultless postage stamp overprint: postage stamp overprint without conditional of manufacturing or wrong handling originated quality defect |
Faulty postage stamp overprint: com-mon term for a postage stamp overprint with conditional of manufacturing or wrong hand-ling originated quality defect |
Washed-out postage stamp overprint: postage stamp overprint which lost his colour intensity by water |
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