1978-12-16: 200th Birth Anniversary of José de San Martín (1778-1850)

1978-12-16: Christmas 1978

1978-11-25: Visit of the King of Spain

1978-11-25: Anniversary of towns foundation - Bahia Blanca

1978-11-04: State fluvial fleet

1978-10-07: Chess Olympias

1978-10-07: 12th International Cancer Congress, Buenos Aires

1978-10-05: Argentinian Ribbons

1978-10: Postal service

1978-09-20: Josè Francisco de San Martín (1778-1850)

1978-09-20: José Francisco de San Martín (1778-1850)

1978-09-20: José Francisco de San Martín (1778-1850)

1978-09-16: 30th Dearth Ann. of General Manuel N. Savio (1892-1948)

1978-09-16: 100 Years of Buenos Aires Bank

1978-09-02: Conference on cooperation between developing countries

1978-09-02: Tree of cooperation

1978-08-30: Buildings definitives - Phosphor

1978-08-18: Generals - Phosphor

1978-08-05: Inter-American Philatelic Exhibition "ARGENTINA '78"

1978-05-20: Argentine Painters - 1978

1978-05-20: 50 years of Interamerican Children's Institute

1978-05-20: 50 years of Interamerican Children's Institute

1978-03-14: Buildings definitives - Fluo

1978-03: Personalities and Landscapes - New currency

1978-02-10: Football World Cup 1978, Argentina