Info| Date | 1977, 07 VI |
|---|---|
| Value | 23 CT. |
| Catalog no. | Mi 2607 Sc 2410 SG 2585 Y&T 2319 |
| Topic | Różewicz, Tadeusz - Iwaszkiewicz, Jarosław |
| Occasion | International writers conference in Sofia. |
| Description | 8 stamps in one sheet, together with 4 decorated fields. On those fields the names and signatures of the participants. Among them Jarosław Iwaszkiewicz and Tadeusz Różewicz from Poland. |
