Info| Date | 1980, 14 V |
|---|---|
| Value | 13 CT |
| Catalog no. | Mi 2893 Sc 2686 SG 2850 Y&T 2549 |
| Topic | Warsaw Pact |
| Occasion | 25 years Warsaw Pact |
| Description | 7 stars in the colors of the flags of the participating countries. Inscription in Bulgarian: 1955 - 1980 / 25 years Warsaw Pact. |
