Argentina

1931 Airmail – Anniversary of the Revolution

1931 Revolution, 1930 WM: 9

1930 Revolution, 1930 WM: 9

1930 Airmail – The First South American Route of Graf Zeppelin Airship – Airmail Stamps of 1928 Overprinted in Green

1930 Airmail – The First South American Route of Graf Zeppelin Airship – Airmail Stamps of 1928 Overprinted in Blue

1929 The 437th Anniversary of the Discovery of America

1928 The 100th Anniversary of the Argentine-Brasilian Peace WM: 9

1928 Airmail – Airplane and Birds WM: 9

1927 -1930 General San Martin

1926 The 100th Anniversary of the Argentine Post