South America

1951 Five-year Plan WM: 9

1951 Airmail – The 10th Anniversary of the State Airlines WM: 9

1951 Map – South America and Antarctic WM: 9

1951 Country Products WM: 9

1950 International Philatelic Exhibition, Buenos Aires WM: 9

1950 International Philatelic Exhibition, Buenos Aires WM: 9

1950 The 100th Anniversary of the Death of San Martin

1950 The 100th Anniversary of the Death of San Martin, 1850-1950 WM: 9

1949 The 75th Anniversary of the “Union Postal Universal” WM: 9

1949 Airmail – International Shooting Championship WM: 11