what is a watermark?
A watermark is an image or pattern embedded into a sheet of paper during the papermaking process. Each papermaker includes a faint trademark, which becomes visible when the paper is held up to a light source. Watermarks serve as a mark of authenticity and are used for identification, often carrying historical significance in determining the origin and age of the paper.
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Pastel is an art medium in stick form made from powdered pigment and a binder. The pigments used in pastels are the same as those in other colored art media. The color effect of pastels closely resembles that of dry pigments, more so than any other medium. Artworks created with pastels are called pastel paintings, pastel drawings, or simply pastels. The term pastel can also refer to the process of creating art using pastel sticks.
