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lations
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Print Substrates Postal Stationeries Punches Reverse Prints Roulettings Second Overprints Separate Productions Se-tenants Sheet Stamps Silk Threads Stamp Booklets
Stamped Envelope Overprints Stamp Impressions Third Overprints Tress Rosettes Watermarks Others

Knowledge / Errors / Watermarks

Watermark Error: philatelic term for a deviation caused by a paper with watermark

Mixed Up Watermarks: postage stamp caused by an error printed on a different paper with watermark as intended

Watermark Typ Error: deviation in the watermark text caused by an error

Watermark Plate With Error: watermark made from a caused by an error damaged watermark form

Missing Watermark: postage stamp caused by an error without watermark

Partly Missing Watermark: postage stamp caused by an error printed on paper with partly missing watermark

With Watermark: postage stamp caused by an error printed on paper with watermark

Vertical Instead of Horizontal Watermark: postage stamp caused by an error printed on paper with 90 degrees rotated watermark

Horizontal Instead of Vertical Watermark: postage stamp caused by an error printed on paper with 90 degrees rotated watermark

Inverted Watermark: postage stamp caused by an error printed on paper with 180 degrees rotated watermark

The Wrong Way Round Watermark: postage stamp caused by an error printed on paper with watermark the wrong way round

Distorted Watermark: postage stamp caused by an error printed on paper with distorted watermark

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