BPG Wiki. In the RGB scheme, 255 is the maximum value, so all colors set to 255 make white. More often, the collector must use a few basic write an essay on importance of reading newspaper items to get a good look at the watermark.
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Paris: Arts et Métiers du Livre éditions. Transmitted Light, multispectral Imaging, digital Manipulation of Watermark Images, images of watermarks can college essay leads about challenges be dramatically improved by digital manipulation. At that time the watermark was created by changing the thickness of the paper and thereby creating a shadow/lightness in the watermarked paper. Collectors who encounter two otherwise identical stamps with different watermarks consider each stamp to be a separate identifiable issue. Amsterdam: Amsterdam University Press. Conservation Highlights on the Library of Congress Preservation Directorate website. Wove Paper, original image, after first step of digital manipulation.
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