Info| Date | 1980, 27 III |
|---|---|
| Value | CT. 13 |
| Catalog no. | Mi 2869-2874, BL100 Y&T BF91A |
| Topic | OSCE |
| Occasion | OSCE conference in Madrid |
| Description | Sheetlet of 6 stamps. On each stamp one character of the word 'EUROPA' and flags of the member states. On one of the stamps are the character P and the Polish flag. |
