Argentina

1962 Malaria Eradication WM: 9

1962 The 150th Anniversary of the Mounted Grenadiers of General San Martin WM: 9

1962 The 150th Anniversary of the National Flag WM: 9

1961 Child Welfare WM: 9

1961 World Town Planning Day WM: 9

1961 International Philatelic Exposition, Argentina 1962 WM: 9

1961 International Philatelic Exposition, Argentina 1962 WM: 9

1961 The 150th Anniversary of the Birth of Sarmiento WM: 9

1961 The 400th Anniversary of the Jujuy City WM: 9

1961 The 10th Anniversary of the San Martin Antarctic Base WM: 9