1949年中国人民银行第一版人民币20元「立交桥」,浅蓝底色,厚版,编号I II III 53152171,桥下有R字样,PMG 58。Peoples Bank of China, 1st series renminbi, 1949, 20 yuan, Li Jiao Bridge, thick paper, light blue underprint, R below bridge, serial number I II III 53152171,(Pick 821b), PMG 58 Choice About Uncirculated