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| Start / | Knowledge / | Safety Measures / |
| Accidentals | Changes | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
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Knowledge / Safety Measures / Silk Threads / Fakes |
Fake silk thread: genuine postage stamp with deceitful bogus silk thread or with faked silk thread |
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Genuine silk thread: postage stamp with authentic silk thread with no additional forgery |
Forgery with silk thread: deceitful reprint of a postage stamp, all parts are bogus (des-ign print, silk thread) |
Fake silk thread: genuine postage stamp with deceitful bogus fake silk thread |
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Supplemented fake silk thread: postage stamp with genuine silk thread with supple-mented deceitful bogus silk thread |
Removed silk thread: postage stamp with genuine silk thread deceitful bogus eliminated |
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