1980 The 100th Anniversary of the Engineering Club
1980 The 100th Anniversary of the Engineering Club
Brazil
1980 Inauguration of Telecommunications Centre for Research and Development, Campanas City, Sao Paulo
1980 Inauguration of Telecommunications Centre for Research and Development, Campanas City, Sao Paulo
1980 Book Day and Erico Verissimo Commemoration
1980 Book Day and Erico Verissimo Commemoration
1980 Portuguese-Brazilian Stamp Exhibition “Lubrapex 80” – Lisbon, Portugal – Parrots
1980 Portuguese-Brazilian Stamp Exhibition “Lubrapex 80” – Lisbon, Portugal – Parrots
1980 International Stamp Exhibition “Espamer 80” – Madrid, Spain – Orchids
1980 International Stamp Exhibition “Espamer 80” – Madrid, Spain – Orchids
1980 The 6th Anniversary of the World Union of Saint Gabriel Congress, Religious Philately Federation, Sao Paulo
1980 The 6th Anniversary of the World Union of Saint Gabriel Congress, Religious Philately Federation, Sao Paulo
1980 The 15th Anniversary of the National Telecommunications System
1980 The 15th Anniversary of the National Telecommunications System
1980 National Health Day – Campaign against Chagas Disease, Barber Bug Fever
1980 National Health Day – Campaign against Chagas Disease, Barber Bug Fever