1987 The 450th Anniversary of Mompox City
1987 The 450th Anniversary of Mompox City
Colombia
1987 Airmail – The 100th Anniversary of National Mines Faculty of National University, Medellin
1987 Airmail – The 100th Anniversary of National Mines Faculty of National University, Medellin
1987 Airmail – The 1600th Anniversary of Conversion of St. Augustine
1987 Airmail – The 1600th Anniversary of Conversion of St. Augustine
1987 The 100th Anniversary of the Birth of Pedro Uribe Mejia, Coffee Industry Pioneer, 1886-1972
1987 The 100th Anniversary of the Birth of Pedro Uribe Mejia, Coffee Industry Pioneer, 1886-1972
1987 Airmail – The 450th Anniversary of Popayan City
1987 Airmail – The 450th Anniversary of Popayan City
1986 Airmail – Thanks for Help after Devastation of Armero by Volcanic Eruption, 1985
1986 Airmail – Thanks for Help after Devastation of Armero by Volcanic Eruption, 1985
1986 The 100th Anniversary of Fine Art Faculty and 50th Anniversary of Architecture Faculty at National University
1986 The 100th Anniversary of Fine Art Faculty and 50th Anniversary of Architecture Faculty at National University