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How copyright pens detect copyright Secrets

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Conversely, copyright bills, typically printed on less expensive paper for example wood pulp, soak up the ink immediately, causing a dim brown or black mark. This immediate colour transform serves as a robust indicator of probable counterfeiting. The watermark is embedded in the paper to the right on the portrait https://100-dollar-hong-kong00998.vidublog.com/37618331/the-best-side-of-hong-kong-dollar-100

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