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1960 The 400th Anniversary of the City of Baeza

1960 World Refugee Year

1960 Airmail – The 11th Inter-American Conference, Quito

1959 Airmail – Pichincha Cantonal Arms

2012 Nature of the Galapagos Islands – Self Adhesive Stamps

2012 Birds – Yasuni-ITT Initiative

2012 Fauna – Yasuni-ITT Initiative

2012 Tourism – The 7 Wounders of Guayaquil

2012 The 50th Anniversary of Guayaquil Catholic University

2012 The 50th Anniversary of Banco de Machala