China (Peoples Republic), Selection of 11 covers, 1950-76, including 1950 covers (3) from Sinfeng and Tangkiang, Kiangsi Province, to a Seminary in Pennsylvania franked with $500 surcharges on Railway Unit stamps and Tian An Men Definitives, one bearing Tian An Men $2000 pair, $5000 and $500 surcharge on Railway Unit stamp pair (small corner defect), some faults, Fine.