Conversely, copyright bills, often printed on less costly paper which include wood pulp, absorb the ink promptly, leading to a dark brown or black mark. This immediate colour adjust serves as a solid indicator of possible counterfeiting. The thread is embedded in (not printed on) the paper and runs vertically https://counterfeitbillscanada54432.blogolize.com/hong-kong-100-dollar-things-to-know-before-you-buy-77900868