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Additional Stamp Impressions A T Ms Burelages Cliche Can-
Cuts Design Prints Die-cuttings Embossings Form Prints Gums
Hand Postmarks Ink Jet Can-
Machine Postmarks Meter Stamps Margin Prints Overprints Pencancel-
Perforations Postal Stationeries Press Marks
Print Substrates Punches Reverse Prints Roulettings Second Overprints Separate Productions Se-tenants Sheet Stamps Silk Threads Stamped Envelope Overprints
Stamp Booklets Stamp Impressions Third Overprints Tress Rosettes Watermarks Without Separation Others

Knowledge / Accidentals / A T Ms

Accidenta A T M: philatelic term for an accidental A T M

Value Print Colour Acciden-
ATM with a deviation from the intended value colour caused by an accidental

Shifted Value Print: deviation from the intended value print position

Number Jumper: value print with too wide jumped number in one position

Miscut ATM: accidental cut from the intended position by an ATM

Value Print Print Plate With Accidental: value printed from a caused by an accidental damaged printing form

Light Value Print: ATM with clear but too light value print

Strong Value Print: ATM with clear but too strong value print

Blurred Value Print: ATM with value print with blurred wet printing colour

Value Mirrow Image: ATM with the wrong way round value print on reverse

Oblique ATM: ATM with oblique cuts

Oblique Value: ATM with value print shifted out of alignment

ATM Shadow Printing: seeming double design print strong and as shadow

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