1997 Inauguration of the Monument to Joaquin Gonzalez – Politician, La Rioja
1997 Inauguration of the Monument to Joaquin Gonzalez – Politician, La Rioja
Argentina
1997 Central Post Office, Buenos Aires – Self-Adhesive
1997 Central Post Office, Buenos Aires – Self-Adhesive
1997 The 100th Anniversary of the First Electric Tramway in Buenos Aires – Illustrations from “History of the Tram” by Marcelo Mayorga
1997 The 100th Anniversary of the First Electric Tramway in Buenos Aires – Illustrations from “History of the Tram” by Marcelo Mayorga
1997 Inclusion of Buenos Aires in Final Selection Round for 2004 Olympic Games
1997 Inclusion of Buenos Aires in Final Selection Round for 2004 Olympic Games
1997 The 50th Anniversary of the Death of Ramon Carcano, Postal Reformer, 1996
1997 The 50th Anniversary of the Death of Ramon Carcano, Postal Reformer, 1996
1997 The 100th Anniversary of the La Plata National University
1997 The 100th Anniversary of the La Plata National University
1997 The 100th Anniversary of the National History Museum, Buenos Aires
1997 The 100th Anniversary of the National History Museum, Buenos Aires
1997 First International Exhibition of Philatelic Audio-visual and Computer Systems “MEVIFIL ’97”
1997 First International Exhibition of Philatelic Audio-visual and Computer Systems “MEVIFIL ’97”