立即行动起来打一场夺煤大会战 Liji xingdong qilai da yichang duomei dahui zhan Designer Zhejiang gong nong bing huabaoshe (浙江工农兵画报社) Date 1970, January Publisher Zhejiang renmin meishu chubanshe (浙江人民美术出版社) Size 107x77 cm. Call nr. BG E37/209 Collection Landsberger collection Notes The slogan in the background calls for changing the practice of digging coal in the North and transporting it to the South (改变北煤南运).