1974 Nationalized Industries

1978 Football World Cup, Argentina 1978 Football World Cup – Argentina 1978 General Jose de San Martin 1978 Birds – Inter-American Philatelic Exhibition 1978 Football World Cup – Argentina 1978 Technical Co-operation among Developing Countries Conference, Buenos Aires 1978 The 30th Anniversary of the Death of General Manuel Savio, Director of Military Manufacturing 1978 The 100th Anniversary of the Bank of Buenos Aires 1978 -1979 The 200th Anniversary of General San Martin WM: 13 1978 -1979 Buildings 1978 Postal Publicity 1978 Numbers 1978 The 23rd Chess Olympiad, Buenos Aires 1978 The 12th International Cancer Congress, Buenos Aires 1978 Ships – The 20th Anniversary of the Argentine River Fleet 1978 Visit of the King & Queen of Spain 1978 The 150th Anniversary of the Bahia Blanca 1978 -1979 Buildings 1978 Numbers 1978 The 200th Anniversary of the Birth of General Jose de San Martin 1978 Christmas 1979 Buildings 1979 The 100th Anniversary of the Argentine Membership of U.P.U 1979 Celebrities 1979 Numbers 1979 The 200th Anniversary of the Birth of General Jose de San Martin 1979 Argentine Paintings 1979 The Third Inter-American Telecommunications Conference 1979 Buildings