Ελβετία
Τώρα εμφανίζεται Ελβετία - ILO (1923 - 1994) - 1 Γραμματόσημα.
1938
International Labour Organization - Switzerland Postage Stamps of 1938 Overprinted "SERVICE DU BUREAU INTERNATIONAL DU TRAVAIL"
Σεπτέμβριος WM: Κανένα Διάτρηση: 11¾
![[International Labour Organization - Switzerland Postage Stamps of 1938 Overprinted "SERVICE DU BUREAU INTERNATIONAL DU TRAVAIL", τύπος I]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/I-s.jpg)
![[International Labour Organization - Switzerland Postage Stamps of 1938 Overprinted "SERVICE DU BUREAU INTERNATIONAL DU TRAVAIL", τύπος I2]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/I2-s.jpg)
![[International Labour Organization - Switzerland Postage Stamps of 1938 Overprinted "SERVICE DU BUREAU INTERNATIONAL DU TRAVAIL", τύπος I3]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/I3-s.jpg)
