Uruguay
Printed in sheets of 50 stamps.
| Country: | Uruguay |
| Type: | Postage stamps |
| Series: | Organization of American States, 25th Anniv. |
| Nominal: | 250 $ |
| Year: | 1974 |
| Material: | Medium |
| Perforation: | comb 12 |
| Mintage: | 150,000 |