Chinese Cultural Revolution posters

A collection of five Chinese Cultural Revolution posters, including:

Gao Quan & Li Zhongliang, The military and civilians fight side by side and guard the border with extra vigilance, Tianjin People’s Fine Arts Publishing, 1977; Xiao Zhenya,Take over the brush of polemics, struggle to the end, Beijing, People's Fine Arts Publishing House, 1975; with others similar, offset lithographs, c. 77 x 94 cm (5)