月月增产, 年年丰收 Yue yue zengchan, nian nian fengshou Designer Zhang Yuqing (章育青) Date 1958, September Publisher Shanghai renmin meishu chubanshe (上海人民美术出版社) Size 53x77 cm. Call nr. BG E40/20 Collection IISH collection Theme Great Leap Forward (1958-1961) Link to IISH catalog https://search.iisg.amsterdam/Record/1290271
