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| Start / | Knowledge / | Prints / |
| 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: original 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 (design print, silk thread) |
Fake Silk Thread: original postage stamp with deceitful bogus fake silk thread |
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Supplemented Fake Silk Thread: postage stamp with original silk thread with supple- |
Removed Silk Thread: postage stamp with original silk thread deceitful bogus eliminated |
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