The 25th Anniversary of the Organization of American States' Charter 1974
Now showing: Argentina - Postage stamps - 1974 - The 25th Anniversary of the Organization of American States' Charter - 1 stamps.
1974
The 25th Anniversary of the Organization of American States' Charter
29. June WM: None Engraving: Alvarez Boero Perforation: 13½
![[The 25th Anniversary of the Organization of American States' Charter, type AGS]](https://www.stampworld.com/media/catalogue/Argentina/Postage-stamps/AGS-s.jpg)
