South America
1974 The 100th Anniversary of UPU – Unissued Stamp Surcharged
1974 The 100th Anniversary of UPU – Unissued Stamp Surcharged
1974 The 100th Anniversary of World Meteorological Organization – Issue of 1971 Overprinted “Centenario de la Organizacion Meteorologica Mundial IMO-W-MO 1973” and Surcharged
1974 The 100th Anniversary of World Meteorological Organization – Issue of 1971 Overprinted “Centenario de la Organizacion Meteorologica Mundial IMO-W-MO 1973” and Surcharged
1973 Inauguration of La Silla Astronomical Observatory
1973 Inauguration of La Silla Astronomical Observatory
1973 The 50th Anniversary of Chilean Naval Aviation
1973 The 50th Anniversary of Chilean Naval Aviation
1973 The 25th Anniversary of General Bernardo O’Higgins Antarctic Base
1973 The 25th Anniversary of General Bernardo O’Higgins Antarctic Base
1973 The 150th Anniversary of the Death of General Jose Miguel Carrera, 1785-1821
1973 The 150th Anniversary of the Death of General Jose Miguel Carrera, 1785-1821