1950年重庆寄美国航空封1件,贴西南区进军图加盖改作500元1枚,改作2000元8枚,西南解放加盖改作300元1枚,合资15800元,销重庆3月25日戳,有广州4月11日中转戳,保存完好,少见。 China Peoples Republic Peoples Republic Postal History 1950 (25 Mar.) airmail to U.S.A. bearing South West Area Marching of PLA $500 on $100, $2000 on $200 (8) and Liberation of Southwest $300 on $100, total $15800 tied by Chungking c.d.s. with Canton (11.4) transit, fine.