1981 International Year of Disabled People
1981 International Year of Disabled People
Argentina
1981 The 22nd Latin American Steel-makers Congress, Buenos Aires
1981 The 22nd Latin American Steel-makers Congress, Buenos Aires
1981 The 500th Anniversary of the Death of Saint Cayetano, Founder of Teatino Order
1981 The 500th Anniversary of the Death of Saint Cayetano, Founder of Teatino Order
1981 The 50th Anniversary of the Bahia Blanca Philatelic and Numismatic Society – Stamp of 1979 Overprinted
1981 The 50th Anniversary of the Bahia Blanca Philatelic and Numismatic Society – Stamp of 1979 Overprinted
1981 The 100 Anniversary of the Naval Observatory
1981 The 100 Anniversary of the Naval Observatory
1981 “Espamer ’81” International Stamp Exhibition, Buenos Aires
1981 “Espamer ’81” International Stamp Exhibition, Buenos Aires
1981 The 100th Anniversary of the Military Club
1981 The 100th Anniversary of the Military Club