Švajčiarsko
Zobrazujú sa: Švajčiarsko - ILO (1923 - 1994) - 1 známky.
1974
Opening of the New International Labor Organization Building
30. máj WM: nikto Rytina: Courvoisier. S.A. Perforácia: 11¾
![[Opening of the New International Labor Organization Building, typ P]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/P-s.jpg)
