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Overprints A T Ms Additional Stamp
Impressions
Design Prints Sheet Stamps Print
Substrates
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Productions
Meter Stamps Postal
Stationeries
Cliche
Cancellations
Gums Pencancel-
lations
Hand
Postmarks
Tress Rosettes Lumines-
cences
Stamp
Booklets
Machine
Postmarks
Embossings Press Marks Margin Prints
Reverse Prints Silk
Threads
Die-cuttings Ink Jet Can-
cellations
Stamped Envelope
Overprints
Burelages Form Prints Watermarks Stamp
Impressions
Perforations
Se-tenants Second Overprints Others

Knowledge / Errors / Machine Postmarks

Machine Postmark Error: philatelic term for a deviation caused by a machine postmark error

Machine Postmark Colour Error: deviation from the intended machine postmark colour caused by an error

Machine Postmark Typ Error: deviation in the machine postmark text caused by an error

Machine Postmark Design Error: deviation in the machine postmark design caused by an error

Machine Postmark on Reverse: postal shipment with machine postmark on reverse instead on front

Machine Postmark on Two Sides: postal shipment with the same machine postmark on front and on reverse

Partly Missing Machine Postmark: postal shipment with partly missing machine postmark

Vertical Instead of Horizontal Machine Postmark: postal shipment with 90 degrees rotated machine postmark

Inverted Machine Postmark: postal shipment with 180 degrees rotated machine postmark

Partly Inverted Machine Postmark: postal shipment with partly 180 degrees rotated machine postmark

Double Machine Postmark: postal shipment with twice machine postmark

Double Machine Postmark One Inverted: postal shipment with twice machine postmark one 180 degrees rotated

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