The 100th Anniversary of the Organization of American State 1991
Now showing: Uruguay - Postage stamps - 1991 - The 100th Anniversary of the Organization of American State - 1 stamps.
1991
The 100th Anniversary of the Organization of American State
12. March WM: 8 Design: Rodolfo Candán. Engraving: Imprenta Nacional, Montevideo. Perforation: 12¼
![[The 100th Anniversary of the Organization of American State, type YRI]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/YRI-s.jpg)
