1975 Airmail – Meeting of Public Works’ Ministers of Ecuador and Colombia, Quito
1975 Airmail – Meeting of Public Works’ Ministers of Ecuador and Colombia, Quito
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1975 Meeting of Public Works’ Ministers of Ecuador and Colombia, Quito
1975 Meeting of Public Works’ Ministers of Ecuador and Colombia, Quito
1975 Airmail – State Visits of President Rodriguez Lara to Algeria, Rumania and Venezuela
1975 Airmail – State Visits of President Rodriguez Lara to Algeria, Rumania and Venezuela
1975 Airmail – Adolfo H. Simmonds G., Journalist
1975 Airmail – Adolfo H. Simmonds G., Journalist
1975 Emilio Estrada Ycaza, Archaeologist
1975 Emilio Estrada Ycaza, Archaeologist
1975 Airmail – Leopoldo Benites Vinueza, Statesman
1975 Airmail – Leopoldo Benites Vinueza, Statesman
1975 Airmail – Manuel J. Calle, Journalist
1975 Airmail – Manuel J. Calle, Journalist
1975 Colonial Monastery, Tilipulo, Cotopaxi Province
1975 Colonial Monastery, Tilipulo, Cotopaxi Province
1975 Airmail – Stamp Exhibition “Exfigua ’75” – Ecuador, and Inter-American Philatelic Federation 5th General Assembly, Guayaquil 1973
1975 Airmail – Stamp Exhibition “Exfigua ’75” – Ecuador, and Inter-American Philatelic Federation 5th General Assembly, Guayaquil 1973