保卫社会主义建设 -- 合作化,幸福多 Baowei shehui zhuyi jianshe -- Hezuo hua, xingfu duo Designer Designer unknown (未知) Date mid 1950s Size 79x54 cm. Call nr. BG E15/773 Collection Landsberger collection Notes A mid-1950s, incomplete set of four posters, showing the positive aspects of life under socialism. This poster is dedicated to the benefits of collectivization in agriculture. Theme Early Campaigns (1949-1954)