Polen
Viser nu Polen - Post frimærker (1860 - 2024) - 1 frimærker.
1979
International Congress of the International Ergonomics Society
27. august VM: Ingen Arkstørrelse: 50 Design: J. Wysocki Perforeringer: 11½:11
![[International Congress of the International Ergonomics Society, type CFY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/CFY-s.jpg)
