Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | 30th Anniversary of the Government of Ferdinand I. |
| Nominal: | 3 ст |
| Year: | 1918 |
| Size: | 26 x 34 mm |
| Perforation: | comb 12½ x 13 |
| Mintage: | 500,000 |
30th Anniversary of the Government of Ferdinand I.
 Tsar Ferdinand I 0.05$ |  Tsar Ferdinand I 0.1$ |  Tsar Ferdinand I |  Tsar Ferdinand I 0.13$ |