Bulgaria
Stamp from block
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Conference on European Security and Cooperation |
| Nominal: | 13 ст |
| Year: | 1974 |
| Size: | 29 x 39 mm |
| Perforation: | comb 13 x 13¼ |
Conference on European Security and Cooperation
 Map of Europe in Pigeon 0.25$ |  Doves |  Map of Europe |  Olive Branch |
 Inscription 1.1$ |