1979 Buildings 1979 Stamp Collecting 1979 Rosette 1979 Agricultural Products 1979 Naming of Village Subteniente Berdina, Tucuman 1979 The 125th Anniversary of the Wheat Exchange, Buenos Aires 1979 Numbers 1979 -1980 Buildings 1979 Rosette 1979 Navy Day 1979 Army Day 1979 Buildings 1979 Naval Hydrographic Service 1979 Ecology Day 1979 The 100th Anniversary of the Conquest of the Desert 1979 Air Force Day 1979 Rosette 1979 Ships – International Stamp Exhibition “Buenos Aires ’80” 1979 The 200th Anniversary of the Founding of Viedma and Carmen de Patagones Towns 1979 The 100th Anniversary of the Death of Sir Rowland Hill 1979 Election of Pope John Paul I 1979 Churches 1979 Resettlement Policy 1979 The 75th Anniversary of the Rosario Philatelic Society 1979 The 100th Anniversary of the Military Geographical Institute 1979 Christmas 1979 Buenos Aires Central Post Office 1979 The 100th Anniversary of the Birth of General Enrique Mosconi 1979 “Prenfil 80” – International Exhibition of Philatelic Literature and Journalism, Buenos Aires 1979 “Prenfil 80” – International Exhibition of Philatelic Literature and Journalism, Buenos Aires 1979 “Prenfil ’80” International Exhibition of Philatelic Literature and Journalism, Buenos Aires 1979 “Prenfil ’80” International Exhibition of Philatelic Literature and Journalism, Buenos Aires 1979 International Year of the Child and “Family” 1979 The 75th Anniversary of the Rotary International 1980 Rosette 1980 Admiral Guillermo Brown 1980 Regional Administrative Conference on Broadcasting, Buenos Aires 1980 Day of the Americas