South America
1980 The 150th Anniversary of the Death of Simon Bolivar
1980 The 150th Anniversary of the Death of Simon Bolivar
1980 Christmas – The 150th Anniversary of the Appearance of the Holy Virgin to Saint Catherine Laboure, The 350th Anniversary of the Appearance of Holy Virgin at Lujan
1980 Christmas – The 150th Anniversary of the Appearance of the Holy Virgin to Saint Catherine Laboure, The 350th Anniversary of the Appearance of Holy Virgin at Lujan
1980 The 50th Anniversary of the Technical Military Academy
1980 The 50th Anniversary of the Technical Military Academy
1980 International Stamp Exhibition “BUENOS AIRES 1980”
1980 International Stamp Exhibition “BUENOS AIRES 1980”