1950年北京寄美国航挂封1件,贴华北区生产图5000元四方连,华北天安门100元1枚,改1.800元1枚,销北京4月25日戳,经广州中转,有5月2日戳,寄纽约5月9日到达戳,保存完好。 China Peoples Republic Peoples Republic Postal History 1950 (25 Apr.) registered airmail cover to U.S.A. bearing North China Field Workers and Factory $5000 in block of four, Tian An Men $100, $800 tied by Peking c.d.s., Guangzhou transit (2.5) and New York arrival (9.5), fine.