South America

1969 The 100th Anniversary of the Newspapers “La Nacion” and “La Prensa” WM: 13

1969 The 100th Anniversary of the Argentine Military College WM: 13

1969 Child Welfare – Birds WM: 9

1969 The 50th Anniversary of the First Argentine Airmail Service WM: 9

1969 Airmail Stamps WM: 13

1969 Satellite Communications WM: 9

1969 Argentine Scientists WM: 13

1969 Human Rights Year WM: 9

1969 The 50th Anniversary of the I.L.O WM: 13

1969 Local Motifs WM: 13