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| Start / | Knowledge / | Separation Methods / |
| Changes | Differences | Errors | Fakes | Margin Separations | Mistakes | Parallel Issues | Printers Waste | Two Separation Methods |
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Knowledge / Separation Methods / Others / Changes |
Separation Method Change: the same postage stamps issued chronologic with different separation methods |
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Edition 1859: without separation |
Edition 1853: without separation |
Edition 1868: rouletting |
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Edition 1916: perforation |
Edition 1863: perforation |
Edition 1987: perforation |
Partly Separation Method Change: the same postage stamps issued chronologic with partly different separation methods |
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Edition 1972: perforation |
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