Dove delivers Letter
56%
| Country: | Bulgaria |
|---|---|
| Issue: | Carrier Pigeon |
| Date: | 1931-10-31 |
| Print: | Typography |
| Perforation: | 11½ |
| Emission: | Air Mail |
| Format: | Stamp |
| Face Value: | 12 Bulgarian lev |
| Print run: | 500000 |