지금 보여주기: 스위스 - ILO (1980 - 1989) - 2 우표.
1983
People at Work
22. 8월 WM: 없음 판화: Courvoisier. S.A. 절취선: 11¾
![[People at Work, 유형 T]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/T-s.jpg)
1988
People at Work
13. 9월 WM: 없음 절취선: 11¾
![[People at Work, 유형 U]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/U-s.jpg)
