Uruguay
Printed in sheets of 25 stamps.
| Country: | Uruguay |
| Type: | Postage stamps |
| Series: | Army Engineers Division, 75th Anniv. |
| Nominal: | 170 N$ |
| Year: | 1991 |
| Material: | fluorescent |
| Perforation: | comb 12 |
| Mintage: | 150,000 |