Now showing: Switzerland - ILO (1923 - 1994) - 3 stamps.
1975
People at Work
13. February WM: None Design: Hans Erni. Engraving: Courvoisier. S.A. Perforation: 11¾
![[People at Work, type Q]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/Q-s.jpg)
![[People at Work, type R]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/R-s.jpg)
![[People at Work, type S]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/S-s.jpg)
