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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 / Parallel Issues |
Separation method parallel issue: the same postage stamps issued at the same time with different separation methods |
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Without separation or perforation |
Sheet with 4 postage stamps without separation or perforation each |
Rouletting or perforation |
Partly separation method parallel issue: the same postage stamps issued at the same time partly with different separation methods |
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Die-cutting and / or cut |
Perforation and / or cut |
Perforation and / or cut |
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