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| Accidentals | Changes | Designs | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
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Knowledge / Stamps / Additional Stamp Impressions / Parallel Issues |
Additional stamp impression parallel issue: the same postal stationeries issued at the same time with different additional stamp impressions |
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Additional stamp impression design parallel issue: the same postal stationeries issued at the same time with different additional stamp impression designs |
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Postal stationery with green additional stamp impression 35 (Pfennig) or orange additional stamp impression 85 (Pfennig) |
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