世界各国的警察专题邮票黄明心世界各国发行的警察专题邮票约２００多种，形成一个有趣的专题，并成立了一些研究小组。１９７３年是国际刑警组织成立５０周年，奥地利、印尼、马来西亚、文莱、尼加拉瓜、智利（图①）、原联邦德国（图②）等都发行了纪念邮票。１９８３年... Police Specialist Stamps in Various Countries Around 200 kinds of police special stamps issued by various countries around the world have formed an interesting topic and set up some research groups. 1973 marks the fiftieth anniversary of Interpol, and commemorative stamps have been issued in Austria, Indonesia, Malaysia, Brunei, Nicaragua, Chile (Figure 1) and the former Commonwealth of Germany (Figure 2). 1983 ...