Colombia

1983 Airmail – The 50th Anniversary of Radio Amateurs League

1983 The 100th Anniversary of the Death of Jose Maria Espinosa, 1798-1883

1983 Airmail – Las Gaviotas Ecological Centre

1983 The 200th Anniversary of First Girls’ School, Santa Fe de Bogota

1983 City Crest

1983 Airmail – Tourism

1983 City Crest

1982 Airmail – Award of Nobel Prize for Literature to Gabriel Garcia Marquez

1982 Award of Nobel Prize for Literature to Gabriel Garcia Marquez

2010 Departments of Colombia