一版人民币2枚一组,包括20元(立交桥)编号31466446及50元(火车)编号0506828, 分别评PMG66EPQ 及58EPQ. 中国人民银行. Peoples Bank of China, 1st series renminbi, 1948-1949, lot of 2, 20 yuan Li Jiao Bridge serial number <I II III> 31466446 and 50 yuan, Train serial number <I II X> 0506828,(Pick 829b and 821a), PMG 66EPQ and 58EPQ respectively (2)