Zwitserland
Wordt nu getoond: Zwitserland - ILO (1923 - 1994) - 1 postzegels.
1974
Opening of the New International Labor Organization Building
30. mei WM: Geen Graveren: Courvoisier. S.A. Perforatie: 11¾
![[Opening of the New International Labor Organization Building, type P]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/P-s.jpg)
