Visar nu: Schweiz - ILO (1970 - 1979) - 4 frimärken.
30. maj WM: Inga Gravyr: Courvoisier. S.A. Perforering: 11¾
![[Opening of the New International Labor Organization Building, Typ P]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/P-s.jpg)
13. februari WM: Inga Design: Hans Erni. Gravyr: Courvoisier. S.A. Perforering: 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)
Visar nu: Schweiz - ILO (1970 - 1979) - 4 frimärken.
30. maj WM: Inga Gravyr: Courvoisier. S.A. Perforering: 11¾
13. februari WM: Inga Design: Hans Erni. Gravyr: Courvoisier. S.A. Perforering: 11¾