Europe

1973 The 25th Anniversary of the Liége Convention

1973 EUROPA Stamps

1973 Day of the Stamp

1973 The 25th Anniversary of WHO

1973 Charity Stamp

1973 Culture Edition

1973 The 100th Anniversary of International Metrological Cooperation

1973 Fire Security

1972 The 200th Anniversary of the Art Academy

1972 Charity Stamps – Birds