1968 Airmail – Christian Paintings and Sculptures of Local Artists

1972 Airmail – Inter-American Lawyers’ Federation Congress, Quito 1972 Ecuadorian Statues 1972 Airmail – Ecuadorian Statues 1972 The 150th Anniversary of Battle of Pichincha 1972 Airmail – The 150th Anniversary of Battle of Pichincha 1972 Ecuadorian Handicrafts and Costumes 1972 Airmail – Ecuadorian Handicrafts and Costumes 1972 Airmail – Flowers 1972 Airmail – Oil Industry 1972 Airmail – Civic and Armed Forces Day 1972 The 150th Anniversary of Battle of Pichincha 1972 Airmail – The 150th Anniversary of Battle of Pichincha 1973 Inauguration of Satellite Earth Station, Chillotal WM: 4 1973 Airmail – The 25th Anniversary of U.N. Economic Committee for Latin America, C.E.P.A.L.