三、邮票的暗记为了防止不法分子伪造邮票,许多国家在印制邮票时都设有暗记。这种暗记是十分巧妙和隐蔽的。即使用放大镜也很难找到。有的是用文字,有的是用符号,有的把暗记藏在图案中,有的则放在边框上。邮票的暗记是十分保密的,只有该票的设计人员和主管领导才知道暗记的形式和所在的部位,并有详细的暗记档案资料。一旦发现假票,只要与暗记档案对照一下, Third, the stamp of the stamp In order to prevent criminals forging stamps, many countries are impressed with the stamps. This secret is very clever and hidden. Even with a magnifying glass is hard to find. Some use words, some use symbols, some hide the pattern in the picture, while others put it on the border. The secret of a stamp is very confidential. Only the designers and supervisors of the ticket know the form of the secret and the location of the stamp, and have a detailed account of the archives. Once found fake votes, as long as the file with the secret contrast,