South America

1978 -1979 Buildings

1978 The 150th Anniversary of the Bahia Blanca

1978 Visit of the King & Queen of Spain

1978 Ships – The 20th Anniversary of the Argentine River Fleet

1978 The 12th International Cancer Congress, Buenos Aires

1978 The 23rd Chess Olympiad, Buenos Aires

1978 Numbers

1978 Postal Publicity

1978 -1979 Buildings

1978 -1979 The 200th Anniversary of General San Martin WM: 13