1986 The 57th Anniversary of Ministry of Public Works and Communications WM: 5 1987 The 50th Anniversary of First Zone Chamber of Agriculture WM: 5 1988 The 100th Anniversary of the Death of Luis Vargas Torres, Revolutionary WM: 5 1988 The 100th Anniversary of the Death of Luis Vargas Torres, Revolutionary WM: 5 1988 The 450th Anniversary of Guayaquil City WM: 5 1988 The 60th Anniversary of Social Security Work WM: 5 1988 The 60th Anniversary of Avianca National Airline WM: 5 1988 The 100th Anniversary of the Death of Dr. Pedro Moncayo y Esparza, Politician WM: 5 1988 The 100th Anniversary of the Death of Dr. Pedro Moncayo y Esparza, Politician 1988 The 60th Anniversary of Military Geographical Institute, Quito WM: 5 1988 The 60th Anniversary of Military Geographical Institute, Quito WM: 5 1988 The 125th Anniversary of San Gabriel College WM: 5 1988 The 100th Anniversary of Salesian Brothers in Ecuador & the 100th Anniversary of the Death of St. John Bosco, 1815-1888 WM: 5 1988 The 100th Anniversary of Salesian Brothers in Ecuador & the 100th Anniversary of the Death of St. John Bosco, 1815-1888 1988 The 100th Anniversary of Guayaquil Welfare Society WM: 5 1988 The 100th Anniversary of Guayaquil Welfare Society WM: 5 1989 The 75th Anniversary of Azuay Bank, Cuenca WM: 5

1982 International Year of Disabled Persons WM: 5 1982 Airmail – International Year of Disabled Persons WM: 5 1982 National Stamp Exhibition “Quitex ’82” – Quito, Ecuador 1982 National Stamp Exhibition “QUITEX ’82” – Quito, Ecuador WM: 5 1982 The 22nd American Air Forces’ Commanders Conference WM: 5 1982 The 150th Anniversary of the Birth of Juan Montalvo, Writer, 1832-1889 1982 Airmail – The 150th Anniversary of the Birth of Juan Montalvo, Writer, 1832-1889 1982 World Swimming Championships, Guayaquil WM: 5 1982 Airmail – World Swimming Championships, Guayaquil WM: 5 1982 The 150th Anniversary of the Birth of Juan Leon Mera, Author, 1832-1894 WM: 5 1983 The 400th Anniversary of the Death of St. Theresa of Avila, 1515-1582 WM: 5 1983 The 2nd Anniversary of the Death of President and Martha Roldos, 1940-1981 WM: 5 1983 The 2nd Anniversary of the Death of President and Martha Roldos, 1940-1981 WM: 5 1983 The 150th Anniversary of Ecuadorian Rule over Galapagos Islands and the 100th Anniversary of the Death of Charles Darwin, Evolutionary Biologist, 1809-1882 WM: 5 1983 The 200th Anniversary of the Birth of Simon Bolivar, 1783-1830 WM: 5 1983 Airmail – The 200th Anniversary of the Birth of Vicente Rocafuerte Bejarano, President, 1835-39, 1783-1847 WM: 5 1983 Inauguration of First Stage of Paute Hydro-electric Project WM: 5 1983 Airmail – Inauguration of First Stage of Paute Hydro-electric Project 1983 World Communications Year WM: 5 1983 The 100th Anniversaries of Provinces of Bolivar and El Oro WM: 5 1984 The 450th Anniversary of the Death of Atahualpa, Last Inca Emperor, 1497-1533 WM: 5 1984 President Hurtado’s International Policies WM: 5 1984 Christmas WM: 5 1984 The 100th Anniversary of the Birth of Miguel Diaz Cueva, Lawyer, 1884-1942 WM: 5 1984 Winter Olympic Games – Sarajevo, Bosnia and Herzegovina 1984 Airmail – Winter Olympic Games – Sarajevo, Bosnia and Herzegovina 1984 The 200th Anniversary of Manned Flight – Balloons WM: 5