提高警惕, 保卫祖国! 随时准备歼灭入侵之敌！ Tigao jingti baowei zuguo! Suishi zhunbei jianmie ruqin zhi di! Designer Designer unknown (未知) Date 1969, January Publisher Hubei renmin chubanshe (湖北人民出版社) Size 53.5x77 cm. Call nr. PC-1969-004 Collection Private collection Theme Cultural Revolution Campaigns (1966-1976)
