Uruguay
Printed in sheets of 50 stamps.
| Country: | Uruguay |
| Type: | Postage stamps |
| Series: | Industrial exhibition of the Paysandu Litoral, 7th Ed. |
| Nominal: | 20 $ |
| Year: | 1971 |
| Material: | Medium |
| Perforation: | comb 12 |
| Mintage: | 200,000 |