Ecuador
1980 Airmail – The 100th Anniversary of Carchi Province WM: 5
1980 Airmail – The 100th Anniversary of Carchi Province WM: 5
1980 The 100th Anniversary of Carchi Province WM: 5
1980 The 100th Anniversary of Carchi Province WM: 5
1980 Airmail – The 100th Anniversary of the Birth of Dr. Isidro Ayora Cueva, President, 1926-31, 1879-1977 WM: 5
1980 Airmail – The 100th Anniversary of the Birth of Dr. Isidro Ayora Cueva, President, 1926-31, 1879-1977 WM: 5
1980 Airmail – The 20th Anniversary of Organization of Petroleum Exporting Countries WM: 5
1980 Airmail – The 20th Anniversary of Organization of Petroleum Exporting Countries WM: 5
1980 The 20th Anniversary of Organization of Petroleum Exporting Countries WM: 5
1980 The 20th Anniversary of Organization of Petroleum Exporting Countries WM: 5
1980 Airmail – The 1st Anniversary of Return to Democracy
1980 Airmail – The 1st Anniversary of Return to Democracy
1980 Airmail – The 1st Anniversary of Return to Democracy WM: 5
1980 Airmail – The 1st Anniversary of Return to Democracy WM: 5
1980 The 1st Anniversary of Return to Democracy WM: 5
1980 The 1st Anniversary of Return to Democracy WM: 5