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| Start / | Knowledge / |
| Accidentals | Changes | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality | Sizes |
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Knowledge / Se-tenants / Changes |
se-tenant change: the same se-tenants with a time-shifted change |
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partly se-tenant colour change: the same se-tenants issued chronologic with the same stroke lines in different colours |
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edition 03.1972: brown stoke line |
edition 11.1972: brown and violet stroke line |
se-tenant design change: the same se-tenants issued chronologic with different postage stamp design print designs |
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edition 03.1921: Germania design |
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