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| Start / | Knowledge / |
| Imperforated | Rouletting | Perforations | Die-Cutting | Stamps with two Separation Methods | Paralell Issues | Compound Perforations |
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Knowledge / Separation Methods / Rouletting |
Rouletting: by this process the paper between the stamps is partly cut through but no paper is removed. | |||
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colourless line rouletting |
coloured line rouletting: printing and rouletting was made in one step |
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very unclean line rouletting |
arched rouletting |
serrate rouletting |
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pin rouletting |
zig-zag rouletting |
serpentine rouletting |
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