Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Bulgarian-Soviet Friendship (II) |
| Nominal: | 1 лв |
| Year: | 1955 |
| Perforation: | comb 13 |
| Mintage: | 100,000 |
Bulgarian-Soviet Friendship (II)
 Soda Factory "Karl Marx" 0.07$ |  Stambolinski Dam 0.1$ |  Danube Bridge 0.2$ |  Friendship Monument |
 Ivan Mitschurin, Russian Botanist |  Vladimir Mayakovsky, Russian Poet |