1961 Airmail – The 3rd International Philatelic Exhibition, Quito 1961 Airmail – The 100th Anniversary of Los Rios Province 1961 The 400th Anniversary of the City of Tena 1961 Butterflies 1961 Airmail – The 100th Anniversary of Re-establishment of “National Integrity” 1961 Opening of Marine Biology Station on Galapagos Islands and 15th Anniversary of UNESCO 1961 Airmail – Opening of Marine Biology Station on Galapagos Islands and 15th Anniversary of UNESCO 1961 The 100th Anniversary of the Birth of Remigio Crespo Toral, 1860-1939 1962 Five Year Development Plan 1962 Airmail – Visit of Prince Phillip of Edinburgh WM: 2 1962 Airmail – Cantonal Arms of Province of Tungurahua 1963 Airmail – Freedom from Hunger 1963 Airmail – Malaria Eradication 1963 Airmail – The 100th Anniversary of Paris Postal Conference 1963 Airmail – Unissued Galapagos Island Stamps – Overprinted “ECUADOR” and Surcharged 1963 Airmail – The 100th Anniversary of International Red Cross – Issue of 1960 Overprinted “1863-1963 Centenario de la Fundacion de la Cruz Roja Internacional” 1963 Presidential Goodwill Tour 1963 Airmail – Presidential Goodwill Tour 1963 Airmail – The 150th Anniversary of the Birth of Mariano Cueva, 1812-1882 1963 The 25th Anniversary of Social Insurance Scheme 1963 Airmail – The 25th Anniversary of Social Insurance Scheme