Accidental Machine Postmark: philatelic term for an accidental machine postmark |
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Machine Postmark Colour Accidental: deviation from the intended machine postmark colour caused by an accidental |
Machine Postmark Typ Accidental: deviation in the machine postmark text caused by an accidental |
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Light Machine Postmark: clear but too light machine postmark |
Strong Machine Postmark: clear but too strong machine postmark |
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Sated Machine Postmark: unclear machine postmark caused by too much colour on the printing plate |
Uneven Machine Postmark: machine postmark with uneven printing colour |
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Distorted Machine Postmark: deviation from the intended size of a machine postmark |
Blurred Machine Postmark: machine postmark with blurred wet printing colour |
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Machine Postmark Mirrow Image: the wrong way round machine postmark on reverse |
Missing Machine Postmark: shifted hand postmark which did not reach a stamp field |
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Oblique Machine Postmark: cover with machine postmark shifted out of alignment |