Visar nu: Schweiz - ILO (1980 - 1989) - 2 frimärken.
22. augusti WM: Inga Gravyr: Courvoisier. S.A. Perforering: 11¾
![[People at Work, Typ T]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/T-s.jpg)
13. september WM: Inga Perforering: 11¾
![[People at Work, Typ U]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/U-s.jpg)
Visar nu: Schweiz - ILO (1980 - 1989) - 2 frimärken.
22. augusti WM: Inga Gravyr: Courvoisier. S.A. Perforering: 11¾
13. september WM: Inga Perforering: 11¾