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| Start / | Knowledge / | Prints / |
| Accidentals | Changes | Differences | Errors | Fakes | Issue Occasions | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
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Knowledge / Prints / Postage Stamp Third Overprints / Quality |
Postage Stamp Third Overprint Quality: subjective assessment of the quality of all properties of a postage stamp third overprint |
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perfect centered third overprint |
very good centered third overprint |
good centered third overprint |
slightly off centre third overprint |
somewhat off centre third overprint |
clearly off centre third overprint |
Postage Stamp Third Overprint Quality Grades: subjective perception of a postage stamp third overprint quality in different grades and conditions |
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Faultless Postage Stamp Third Over-print: postage stamp third overprint without conditional of manufacturing or wrong hand-ling originated quality defect |
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