Dating
Cultural Revolution 1966-1976
Obverse
毛主席万岁 / 东方红, portrait bust of Chairman Mao Zedong, left (right corner); red sun with sunray striations; Gate of Heavenly Peace; huabiao (left); inscription on light-blue background; calligraphic inscription on white background to left; all in relief
Reverse
廿一？, inscription and number
