Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Old Steam Locomotives |
| Nominal: | 42 ст |
| Year: | 1984 |
| Perforation: | comb 13 |
| Mintage: | 320,000 |
Old Steam Locomotives
 Locomotive "Best Friend" (1830) 0.11$ |  Saxonia (1836) 6.4$ |  Lafayette (1837) |  Borsig (1841) |
 Philadelphia (1843) 1$ |