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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 / Mistakes |
Silk Thread Mistake: printers term for a deviation caused by silk thread mistake |
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Missing Silk Thread: postage stamp with caused by mistake printed on paper without silk thread |
Silk Thread Colour Mistake: printers term for a deviation caused by mistake from the intended silk thread colour |
Double Silk Thread: postage stamp with caused by mistake printed on paper with twice instead of once silk thread |
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Shifted Silk Thread: postage stamp with caused by mistake shifted silk thread to another position as intended |
Oblique Silk Thread: postage stamp with caused by mistake silk thread shifted out of alignment |
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