一锹一锤为革命艰苦奋斗永向前 Yiqiao yichui wei geming jianku fendou yong xiang qian Designer Designer unknown (未知) Date Late 1960s? Publisher Publisher unknown Size 71x105 cm. Call nr. BG G2/20 Collection Landsberger collection Theme Mao Zedong Thought Link to IISH catalog https://search.iisg.amsterdam/Record/1058832
