1988 Philatelic Literature Exhibition “PRENFIL ’88” – Buenos Aires
1988 Philatelic Literature Exhibition “PRENFIL ’88” – Buenos Aires
South America
1988 rgentinian-Brazilian Stamp Exhibition “ABBRAFEX ’88” – Buenos Aires
1988 rgentinian-Brazilian Stamp Exhibition “ABBRAFEX ’88” – Buenos Aires
1988 The 21st International Urological Society Congress – Overprinted “XXI CONGRESO DE LA SOCIEDAD INTERNACIONAL DE UROLOGIA”
1988 The 21st International Urological Society Congress – Overprinted “XXI CONGRESO DE LA SOCIEDAD INTERNACIONAL DE UROLOGIA”
1988 The 100th Anniversary of the Death of Domingo Faustino Sarmiento, President, 1868-1874
1988 The 100th Anniversary of the Death of Domingo Faustino Sarmiento, President, 1868-1874
1988 Philatelic Anniversaries and Events
1988 Philatelic Anniversaries and Events
1988 Philatelic Anniversaries and Events
1988 Philatelic Anniversaries and Events
1988 The 50th Anniversary of the National Guard
1988 The 50th Anniversary of the National Guard