Montre maintenant: Suisse - OIT (1970 - 1979) - 1 Timbres-poste.
1974
Opening of the New International Labor Organization Building
30. mai WM: Aucun Gravure: Courvoisier. S.A. Perforation: 11¾
![[Opening of the New International Labor Organization Building, type P]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/P-s.jpg)