TThis is a Chinese remittance envelope delivered between the 1960s and 1970s. The envelope was delivered from a Chinese remittance house Phor Thong Chean (Pu Tong Zhuang普通庄) at 217 Rochor Road. It was delivered through qiaopi (侨批), a private mail delivery system established by early Chinese immigrants in the early 19th century to deliver money and family letters to their home villages in China.