大干社会主义有理大干社会主义有功大干社会主义光荣 Dagan shehui zhuyi you li dagan shehui zhuyi you gong dagan shehui zhuyi guangrong Designer Xu Xi (徐希) Date 1977, March Publisher Renmin meishu chubanshe (人民美术出版社) Size 77x53 cm. Call nr. BG E37/200 Collection Landsberger collection Theme Visualizing the Future