Bulgaria
6.2 - 7.5$
price on 30.11.2022
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | 50 years Bulgarian railroad |
| Nominal: | 4 лв |
| Year: | 1939 |
| Perforation: | comb 13 |
50 years Bulgarian railroad
 First Bulgarian steam engine 2.5$ |  Steam engine 2.2$ |  Train on overpass 6.2$ |  Tzar Boris as engine-driver 6.2$ |