1977, 7 June
"Hard-Bone Sixth Company" of P.L.A. advances
Publisher: Hsinhua News Agency
Call number: BG B31/773 (IISH collection)
Text on the back: "Wall paper put up by the "Hard-Bone Sixth Company" criticizing the Wang-Chang-Chiang-Yao clique for its crimes of conspiring to usurp Party and state power."
With the "Wang-Chang-Chiang-Yao clique", the Gang of Four is meant (Wang Hongwen, Zhang Chunqiao, Jiang Qing, Yao Wenyuan).