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Overprints A T Ms Additional Stamp
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lations
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cences
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Overprints
Burelages Form Prints Watermarks Stamp
Impressions
Perforations Se-tenants Second Overprints Others

Knowledge / Accidentals / Sheet Stamps

Accidental Sheet Stamp: philatelic term for an accidental sheet stamp

Partly Design Print Colour Accidental: multicolour sheet with partly deviation from the intended design colour caused by an accidental

Partly Shifted Design Print: multicolour sheet with partly shifted design print

Shifted Perforation: deviation from the intended perforation position

Shifted Margin Rouletting: sheet with deviation from the intended margin rouletting position

Shifted Sheet Watermark: deviation from the intended sheet watermark position

Miscut Sheet: accidental cut from the intended position by a stamp sheet

Partly Design Print Mirrow Image: multicolour sheet with partly the wrong way round design print on reverse

Oblique Cut: sheet with oblique cuts

Partly Oblique Design Print: multicolour sheet with design print partly shifted out of alignment

Design Print Space Acciden-
tal:
deviation from the intended space between two design prints caused by an accidental

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