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

Knowledge / Mistakes / Luminescences

Luminescence Mistake: printers term for a deviation caused by a luminescence mistake

Shifted Fluorescence Overprint: deviation from the intended fluorescence overprint position

Shifted Phosphorus Overprint: deviation from the intended phosphorus overprint position

Shifted Phosphorus Bar Overprint: deviation from the intended phosphorus bar overprint position

Shifted Phosphorus Bar Overprint: deviation from the intended phosphorus bar overprint position

Missing Fluorescence: postage stampe without fluorescence caused by a mistake

Missing Phosphorus Overprint: postage stamp without phosphorus overprint caused by a mistake

Missing Phosphorus Bar: postage stamp without phosphorus bar overprint caused by a mistake

Double Phosphorus Bar: poststage stamp twice overprinted with a phosphorus bar

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