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按照公布的新邮预报,《竹子》个性化服务专用邮票由北京邮票厂采用胶印印刷,在防伪方式上采用彩点荧光防伪纸张和防伪油墨。邮票由黑、蓝、红、黄四色调幅网胶印印刷,其中黄色是荧光防伪油墨。四色网点的角度分别是黑15度,蓝75度,红45度,黄90度。此外,在邮票左侧,从画外伸过来的,上数第二支竹枝头上的两片竹叶与其他竹叶的印刷网点不同,是采用调频网胶印的蓝、黄色油墨印刷,图1中右侧放大图中红色箭头所指即调频网印刷的两片竹叶。
According to the announcement published by the New Post, “Bamboo” personalized service stamps used by Beijing Stamp Factory Offset printing, anti-counterfeiting methods using colored fluorescent anti-counterfeit paper and security paper. Stamps by the black, blue, red, yellow four-color offset web offset printing, yellow is fluorescent anti-counterfeit ink. Four-color point of view are black 15 degrees, 75 degrees blue, red 45 degrees, yellow 90 degrees. In addition, on the left side of the stamp, two bamboo leaves on the second branch above the bamboo branches are different from the printing outlets of other bamboo leaves. They are printed in blue and yellow in FM offset web offset printing. Figure 1 In the right side of the enlarged map refers to the red arrow refers to the FM screen printed two leaves.