Unesco
90%
| Country: | Argentina |
|---|---|
| Issue: | Air Mail |
| Date: | 1970-08-29 |
| Print: | Offset and Lithography |
| Size: | 35 x 45 |
| Perforation: | 13½ |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 68 Argentine peso centavo |
| Print run: | 500000 |