International Congress of the International Ergonomics Society 1979
Now showing: Poland - Postage stamps - 1979 - International Congress of the International Ergonomics Society - 1 stamps.
1979
International Congress of the International Ergonomics Society
27. August WM: None Sheetsize: 50 Design: J. Wysocki Perforation: 11½:11
![[International Congress of the International Ergonomics Society, type CFY]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CFY-s.jpg)
