Teraz pokazywane: Szwajcaria - ILO (1923 - 1994) - 3 znaczki.
1975
People at Work
13. Luty WM: Żadne Projekt: Hans Erni. Grawerowanie: Courvoisier. S.A. Perforacja: 11¾
![[People at Work, typ Q]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/Q-s.jpg)
![[People at Work, typ R]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/R-s.jpg)
![[People at Work, typ S]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/S-s.jpg)
