Näytetään: Sveitsi - ILO (1930 - 1939) - 3 postimerkit.
1939
Switzerland Postage Stamps of 1938 Overprinted "S.d.N - Bureau - international - du Travail"
25. huhtikuu VM: Ei mitään Perforaatio: 11¾
![[Switzerland Postage Stamps of 1938 Overprinted "S.d.N - Bureau - international - du Travail", tyyppi J]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/J-s.jpg)
![[Switzerland Postage Stamps of 1938 Overprinted "S.d.N - Bureau - international - du Travail", tyyppi J1]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/J1-s.jpg)
![[Switzerland Postage Stamps of 1938 Overprinted "S.d.N - Bureau - international - du Travail", tyyppi J2]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/J2-s.jpg)
