Argentina
1990 Spain-Latin America Stamp Exhibition “ESPAMER ’91” – Buenos Aires. The 500th Anniversary of the Discovery of America
1990 Spain-Latin America Stamp Exhibition “ESPAMER ’91” – Buenos Aires. The 500th Anniversary of the Discovery of America
1990 Airmail – The 50th Anniversary of LADE, Airline
1990 Airmail – The 50th Anniversary of LADE, Airline
1990 The 14th Congress of the American-Spanish Postal Union – Buenos Aires
1990 The 14th Congress of the American-Spanish Postal Union – Buenos Aires
1990 Airmail – National Airmail Exhibition “AEROFILADE ’90” – Buenos Aires
1990 Airmail – National Airmail Exhibition “AEROFILADE ’90” – Buenos Aires