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| Start / | Knowledge / |
| Changes | Differences | Kinds | Parallel Issues | Safety Measures |
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Knowledge / Coatings / Parallel Issues |
Coating parallel issue: the same postage stamps issued at the same time with different coatings |
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Coating colour parallel Issue: the same postage stamps issued at the same time with the same coatings in different colours |
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The same postage stamps with the same glued-on metal foil in gold, silver or copper |
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Coating kind parallel issue: the same postage stamps issued at the same time with different coating kinds |
Coating kind parallel issue: different postage stamps issued at the same time with the same coating kind |
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The same postage stamps with printed or embroidered silk fabric glued on |
Different postage stamps with glued-on sandstone |
Coating quantity parallel issue: the same postage stamps issued at the same time with different coating quantity |
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The same postage stamps with or without varnish over the entire surface |
The same postage stamps with or without a piece of bamboo glued on |
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The same postage stamps with or without a glued-on embroidery |
The same postage stamps with or without a glued-on |
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