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Watermark. A watermark is an identifying image or pattern in paper that appears as various shades of lightness/darkness when viewed by transmitted light (or when viewed by reflected light, atop a dark background), caused by thickness or density variations in the paper. [1] Watermarks have been used on postage stamps, currency, and other ...
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. He was the youngest of the five children of hoop-maker John Saunders, and started a career in paper-making while in his twenties, becoming ...
Barack Obama's birth certificate on security paper.. Security paper is a paper used in security printing that incorporates features that can be used to identify or authenticate a document as original, e.g., watermarks or invisible fibres in paper, or features that demonstrate tamper evidence when fraud is attempted, e.g., to remove or alter print such as amounts or signatures on a cheque.
Digital watermarking. A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as audio, video or image data. [1] It is typically used to identify ownership of the copyright of such a signal. Digital watermarking is the process of hiding digital information in a carrier signal; the hidden information should, [2 ...
Postage stamp paper is the foundation or substrate of the postage stamp to which the ink for the stamp's design is applied to one side and the adhesive is applied to the other. The paper is not only the foundation of the stamp but it has also been incorporated into the stamp's design, has provided security against fraud and has aided in the ...
Known for. Analysis of paper and watermarks. Allan Henry Stevenson (June 20, 1903 – March 31, 1970) was an American bibliographer specializing in the study of handmade paper and watermarks who "single-handedly created a new field: the bibliographical analysis of paper." [1] Through his pioneering studies of watermarks, Stevenson solved "the ...
Worldwide. Products. Paper, envelopes. Parent. Arjo Wiggins. Website. www.arjowigginscreativepapers.com. Conqueror is a manufacturer of distinctive, high-quality watermarked paper in the United Kingdom. The company was founded in the late 1880s by E.P. Barlow, director of the London -based stationer Wiggins Teape.
t. e. A banknote – also called a bill (North American English), paper money, or simply a note – is a type of negotiable promissory note, made by a bank or other licensed authority, payable to the bearer on demand. Banknotes were originally issued by commercial banks, which were legally required to redeem the notes for legal tender (usually ...