1971年编12-20建党五十周年新票1套,连票齿孔处微折,金粉闪亮,颜色鲜豔,原胶,上中品。 China Peoples Republic Peoples Republic Issue 1949-2017: 1971-1979 Number Series 1971 (N4) 50th Anniv. of the Founding of the Chinese Communist Party, set of nine, perf. in strip of three lightly folded, fresh, unmounted mint, fine. Yang N12-20