The China Philatelic Society of London (CPSL) is a philatelic organisation devoted to the study of all aspects of Chinese philately from the Municipal Posts of the Treaty Ports to the People's Republic and Taiwan.
The China Philatelic Society of London (CPSL) is a philatelic organisation devoted to the study of all aspects of Chinese philately from the Municipal Posts of the Treaty Ports to the People's Republic and Taiwan. (en)
The China Philatelic Society of London (CPSL) is a philatelic organisation devoted to the study of all aspects of Chinese philately from the Municipal Posts of the Treaty Ports to the People's Republic and Taiwan. (en)