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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 / Errors |
Separation kind error: philatelic term for a separation kind deviation caused by error |
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Without separation and rou-letting: postage stamp partly without separation instead of rouletting caused by error |
Without separation and per-foration: postage stamp partly without separation instead of perforation caused by error |
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Rouletting and perforation: postage stamp partly with perforation instead of rouletting caused by error |
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