7月31日，安徽淮南市邮政工作人员展示《中国人民解放军建军九十周年》纪念邮票小型张。8月1日，中国邮政发行《中国人民解放军建军九十周年》纪念邮票一套6枚，小型张一枚。邮票内容为陆军、海军、空军、火箭军、战略支援部队和武装警察部队，小型张内容为听党指挥。[新华社 陈彬 摄]
A postal staff shows a sheet of commemorative stamp for the 90th founding anniversary of the People's Liberation Army (PLA) in Huainan City, east China's Anhui Province, July 31, 2017. China Post issued a new set of commemorative stamps to mark the 90th founding anniversary of PLA on Tuesday. (Xinhua/Chen Bin)