Economic Structure: Volga-Don Canal with Sluice
4 ст 1952
Bulgaria
known in 1 farther Perforation
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | 35th Anniversary of the October Revolution |
| Nominal: | 4 ст |
| Year: | 1952 |
| Perforation: | Various |
| Mintage: | 150,000 |
