Uruguay
Printed in sheets of 20 stamps.
| Country: | Uruguay |
| Type: | Postage stamps |
| Series: | Birth of Nicolaus Copernicus, 500th Anniv. |
| Nominal: | 50 $ |
| Year: | 1973 |
| Material: | Medium |
| Perforation: | comb 12 |
| Mintage: | 500,000 |