Campaign of ecological education
83%
| Country: | Brazil |
|---|---|
| Issue: | Ecology |
| Date: | 1956-09-30 |
| Size: | 24 x 36.5 |
| Perforation: | 11¾ |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 2.50 Brazilian cruzeiro |