South America

1964 Child Welfare – Birds WM: 9

1964 Argentine Painters – Carlos Morel WM: 9

1964 The 50th Anniversary of the Death of General Julio Roca WM: 9

1964 The 100th Anniversary of the Birth of J. V. Gonzalez WM: 9

1964 United Nations Day WM: 9

1964 Airmail – Airplane WM: 9

1964 Airmail – Columbus Day WM: 9

1964 Airmail – Invalids Olympic Games, Tokyo WM: 9

1964 The 350th Anniversary of the Cordoba University WM: 9

1964 Airmail – Olympic Games – Tokyo, Japan WM: 9