National Prefecture
90%
| Country: | Argentina |
|---|---|
| Issue: | State Institutions |
| Date: | 1968-10-26 |
| Paper: | National, horizontally grained |
| Print: | Offset lithography |
| Size: | 26 x 37 |
| Perforation: | 13½ |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 20 Argentine peso moneda nacional |