Ora in esposizione: Svizzera - ILO (1970 - 1979) - 3 francobolli.
1975
People at Work
13. Febbraio WM: Nessuno Disegno: Hans Erni. Incisione: Courvoisier. S.A. Dentellatura: 11¾
![[People at Work, Scrivi Q]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/ILO/Q-s.jpg)
![[People at Work, Scrivi R]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/ILO/R-s.jpg)
![[People at Work, Scrivi S]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/ILO/S-s.jpg)