Printing on Both Sides
Printing on both sides occurs when an already printed sheet is accidentally, or more rarely deliberately, fed through the press again and the stamp design is printed on …
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Shifted Print
In multistage printing, incorrect registration can cause one printing phase to shift so that it no longer aligns precisely with the rest of the design. Shifted overprint…
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Souvenir sheet
A souvenir sheet is essentially one or more postage stamps incorporated into a decorative surrounding design. In terms of purpose, souvenir sheets differ from ordinary s…
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Typesetting Errors
Typesetting errors are printing errors caused by the incorrect insertion of letters, numerals or decorative elements. When the error affects the denomination, it is ofte…
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Used Stamp
A used stamp, souvenir sheet, postal stationery item or miniature sheet is one that genuinely passed through the postal system and was properly cancelled as evidence of …
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V. Front-View Crown Watermark (1908)
V. 1908 front-view crown watermark. A front-view representation of the crown.
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VII. Double-Cross Watermark
VII. Double-Cross Watermark. Repeating horizontal chains of upright and inverted double crosses joined by a wavy line representing the triple hill.
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VIII. Fourfold Double-Cross Watermark
VIII. Fourfold Double-Cross (or Star-Cross) Watermark. Four double crosses branching diagonally from an orb.
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Watermarks
A watermark is an image, inscription or motif formed within the paper during manufacture. Variations in fibre distribution and paper thickness make the design visible wh…
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Watermarks I and Ia
Interlaced ellipses with the lowercase letters “kr” in the centre, an abbreviation of krajcár.
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X. Double-Cross Coat of Arms Watermark
X. Double-Cross Coat of Arms Watermark. A regularly repeating pattern of crowned coats of arms, upright and inverted as well as lying to the left and right.
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