1971年编12-20庆祝中国共产党成立五十周年新票1套,均带边纸,其中18-19右边纸带色变,金粉闪亮,颜色鲜豔,齿孔完整,上中品。 China Peoples Republic Peoples Republic Issue 1949 - 2017 : 1971 - 73 Number Series 1971 (N4) 50th Anniversary of the Founding of the Chinese Communist Party, complete set of nine, all with left or right margin, unmounted mint, very fine.