1973 Airmail – “Day of the Americas” 1973 Airmail – Visit of President Caldera of Venezuela WM: 4 1973 Formation of Galapagos Islands Province WM: 4 1973 Airmail – Formation of Galapagos Islands Province WM: 4 1973 Airmail – Coins 1973 Birds 1974 The 100th Anniversary of the Birth of Marco Tulio Varea Quevedo, Botanist, 1872-1942 1974 The 1st Anniversary of the Death of Juan Modesto Carbo Noboa, Medical Scientist, 1890-1973 1974 Alfredo J. Valenzuela, Physician 1974 Football World Cup – West Germany – Coins Stamps of 1973 With Inscription below Stamps 1974 Airmail – OPEC, Oil Exporters, Meeting, Quito 1974 National Hero 1974 Airmail – The 100th Anniversary of U.P.U. 1974 Pio Jaramillo Alvarado, Sociologist 1974 Luciano Andrade Marin, Naturalist 1974 Francisco Campos Ruiadaneira, Entomologist 1974 Airmail – The 50th Anniversary of the Death of Teodoro Wolf, Geographer, 1841-1924 1974 Airmail – Captain Edmundo Chiriboga, National Hero 1974 Luis Vernaza Lazarte 1974 Airmail – The 8th Inter-American Postmasters’ Congress, Auibo 1975 Airmail – Stamp Exhibition “Exfigua ’75” – Ecuador, and Inter-American Philatelic Federation 5th General Assembly, Guayaquil 1973 1975 Colonial Monastery, Tilipulo, Cotopaxi Province 1975 Airmail – Manuel J. Calle, Journalist 1975 Airmail – Leopoldo Benites Vinueza, Statesman 1975 Angel Polibio Chaves, Statesman 1975 Emilio Estrada Ycaza, Archaeologist 1975 Airmail – Adolfo H. Simmonds G., Journalist 1975 Airmail – State Visits of President Rodriguez Lara to Algeria, Rumania and Venezuela 1975 Meeting of Public Works’ Ministers of Ecuador and Colombia, Quito 1975 Airmail – Meeting of Public Works’ Ministers of Ecuador and Colombia, Quito 1975 Airmail – The 3rd Eucharistic Congress, Quito