1980, Mail transport, complete xf mint never hinged sheet set with all margins (60 sets per sheet), due to size slight folded vertical and horizontal in perforation, hard to find as complete sheets (T49 sheets)
0; Übersee A-Z; CHINA - VOLKSREPUBLIK (PRC); Markenausgaben
0; Overseas A-Z; CHINA - VOLKSREPUBLIK (PRC); Stamp issues