进入20世纪80年代,随着中国改革开放的不断深入,中国的邮票发行工作异常活跃,与他国联合发行邮票的形式已经为大众所熟悉,并受到集邮爱好者的喜爱,然而当我们翻开尘封已久的共和国邮票发行的历史档案时,就会发现这种邮票发行形式早在20世纪50年代就已经出现了。 In the 1980s, with the deepening of China’s reform and opening up, the issuance of stamps in China was unusually active. The stamps jointly issued with other countries have become familiar to the public and enjoyed by stamp collectors. However, when we open the dust seal When the archives of the republic have been issued for a long time, it has been found that the form of stamp issuance appeared as early as the 1950s.