Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | 11th Congress of the Bulgarian Communist Party |
| Nominal: | 13 ст |
| Year: | 1976 |
| Perforation: | comb 13 |
| Mintage: | 300,000 |
11th Congress of the Bulgarian Communist Party
 Dove 0.08$ |  Inscription |  Hammer and Sickle |  Georgi Dimitrov, 1 Prime Minister of the Republic of Bulgari |