Info| Date | 1961, 19 VI |
|---|---|
| Value | 40 f, 60 f, 1 Ft |
| Catalog no. | Mi 1762 -1764 Sc 1389 -1391 SG 1740 -1742 Y&T 1437 -1439 |
| Topic | COMECON |
| Occasion | Postal conference in Warsaw |
| Description | Conference of postal ministers from COMECON countries in Warsaw. The stamps show the Warsaw coat of arms and symbols of post and telecom. |
