1966 The 25th Anniversary of the Argentine Mercantile Marine WM: 9 1966 Argentine Scientists WM: 9 1966 The Seventh American Armies Conference, Buenos Aires WM: 9 1966 The 75th Anniversary of the Argentine National Bank WM: 9 1966 The 75th Anniversary of La Salle College, Buenos Aires WM: 9 1966 Argentine South Pole Expedition WM: 9 1966 General Juan G. de Las Heras Commemoration WM: 9 1966 General J. M. de Pueyrredon Commemoration WM: 9 1967 Child Welfare – Birds WM: 9 1967 The 20th Anniversary of the UNESCO WM: 9 1967 Fernando Fader, Painter WM: 9 1967 Famous Argentine Women WM: 9 1967 General San Martin WM: 9 1967 Navy Day WM: 9 1967 Army Day WM: 9 1967 Personalities WM: 9 1967 The Third Rio Plata Philatelists Days and Exhibition WM: 9 1967 International Tourist Year WM: 9 1967 The 75th Anniversary of the PADELAI, Argentine Children’s Welfare Association WM: 9 1967 Airmail – The 50th Anniversary of the First Argentine-Uruguay Airmail Flight WM: 9 1967 The 100th Anniversary of the Villa Maria WM: 9 1967 The 150th Anniversary of the Battle of Chacabuco WM: 9 1967 The 10th Anniversary of the Government House Museum WM: 9 1967 Aeronautics Week WM: 9 1967 “Temex 67” Stamp Exhibition and the 95th Anniversary of the Naval Military School WM: 9 1967 The 100th Anniversary of the “La Capital” WM: 9 1967 Artillery Day WM: 9 1967 Airmail – Airplane WM: 9 1967 Child Welfare – Birds WM: 9 1968 The 50th Anniversary of the Death of Eduardo Sivori, Painter WM: 9