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  2. Watermark - Wikipedia

    en.wikipedia.org/wiki/Watermark

    The resulting watermark is generally much clearer and more detailed than those made by the Dandy Roll process, and as such, Cylinder Mould Watermark Paper is the preferred type of watermarked paper for banknotes, passports, motor vehicle titles, and other documents where it is an important anti-counterfeiting measure.

  3. Thomas Harry Saunders - Wikipedia

    en.wikipedia.org/wiki/Thomas_Harry_Saunders

    New Zealand two pence stamp from between 1855 and 1872 shows an S and part of the R from the T. H. Saunders watermark. Thomas Harry Saunders (19 September 1813, London – 5 February 1870, Dartford), usually called T. H. Saunders, was a British paper-maker known especially for his watermarks, and also a philanthropist.

  4. Light-and-shade watermark - Wikipedia

    en.wikipedia.org/wiki/Light-and-shade_watermark

    Chiaroscuro watermark. The artist Bill Fink is holding up the self portrait to light with the watermarked paper held in his hand. A light-and-shade watermark, [note 1] is a watermark image produced in a chiaroscuro style. In a traditional watermark, an image is produced in paper fibers by contrasting shades of light and dark in places where the ...

  5. Category:Watermarking - Wikipedia

    en.wikipedia.org/wiki/Category:Watermarking

    A number of authentication systems are known by the general term of "watermarking" methods, since they rely on embedding authentication information into another information bearer, by analogy with the watermarking of paper.

  6. Watermark (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Watermark_(disambiguation)

    Digital watermarking, a technique to embed data in digital audio, images or video . Audio watermark, techniques for embedding hidden information into audio signals; Watermark (data file), a method for ensuring data integrity which combines aspects of data hashing and digital watermarking

  7. Euro banknotes - Wikipedia

    en.wikipedia.org/wiki/Euro_banknotes

    Watermarks – There are possibly two watermarks on the euro notes. [83] [81] [86] They are: Standard watermark – Each denomination is printed on uniquely watermarked paper. This may be observed by holding the note up to the light. The thinner parts will show up brighter with backlight illumination and darker with a dark background.

  8. Postage stamp paper - Wikipedia

    en.wikipedia.org/wiki/Postage_stamp_paper

    If a watermark is part of the paper's design, it is the mould that creates the watermark, in the same way that the fine lines of laid paper are created. A watermark is a deliberate thinning of the paper by the placing of either wires or metal shapes, called bits, onto the wire mesh of the mould.

  9. Digital watermarking - Wikipedia

    en.wikipedia.org/wiki/Digital_watermarking

    Watermarks are identification marks produced during the paper-making process. The first watermarks appeared in Italy during the 13th century, but their use rapidly spread across Europe. They were used as a means to identify the paper maker or the trade guild that manufactured the paper. The marks often were created by a wire sewn onto the paper ...