Letters "LaTU"
60%
| Country: | Uruguay |
|---|---|
| Issue: | National Technological Laboratory, 25th Anniv. |
| Date: | 1991-11-11 |
| Print: | Offset lithography |
| Perforation: | 12 |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 1,570 Uruguayan new peso |
| Print run: | 200000 |