2003年版港币防伪特征系列研究之三——渣打银行（香港）有限公司发行的港币

Research on the Anti-coumerfeit Characteristics of 2003 Edition Hong Kong Dollar, Part Ⅲ

渣打银行（香港）有限公司于2003年12月15日开始发行100元和500元新版港币，2004年10月11日发行20元、50元、和1000元新版港币。2003年版港币防伪特征主要表现在纸张、油墨、印版和印刷技术等4个方面。

Chartered Bank （Hong Kong） Limited Company started to issue 100 Yuan and 500 Yuan new edition Hong Kong dollars from December 15, 2003. On October 11, 2004, 20 Yuan, 50 Yuan, and 1000 Yuan new edition Hong Kong dollars were issued. The anti-counterfeiting characteristics of the 2003 version Hong Kong dollar are mainly represented in the 4 aspects： the paper, the printing ink, the printing plate and the printing technology. The major anti-counterfeiting characteristics of the paper used to print the HK dollar are as follows： 1） The paper is made of natural fiber and achromatic fluorescence fiber; 2） There are two safety threads, including micro letter design, micro holographical letter design; 3） Compared with the former HK dollar, the new edition has two kinds of watermark, black watermark and white watermark. The printing ink is a special kind of magnetic, fluorescent, optically variable, and pearly-luster ink. Three types of printing plate are used in the printing of the 2003 edition HK dollar： surface printing, protruding printing and concave printing. As to the printing technology, 4 kinds of techniques are adopted. They are interface connection printing, rainbow printing, double-faced printing and micro letter printing.