Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | World Communications Year |
| Nominal: | 13 ст |
| Year: | 1983 |
| Perforation: | comb 13 |
| Mintage: | 120,000 |
World Communications Year
 Radiocenter "Tolbukhin" |  Postie |  Radiocenter "Botev" |