1970s a group of 7 covers addressing to various heads of state, including Jiang Qing, Deng Xiaoping, Ye Jianying etc.
1970s a group of 7 covers addressing to various heads of state, including Jiang Qing, Deng Xiaoping, Ye Jianying etc.1970年代一組七件寄國家元首之信封，包括江青、鄧小平、葉劍英等，甚具歷史意義。
