Zobrazujú sa: Švajčiarsko - ILO (1923 - 1994) - 7 známky.
![[Switzerland Postage Stamps of 1924-1928 Overprinted "S.d.N - Bureau - international - du Travail", typ C]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/C-s.jpg)
![[Switzerland Postage Stamps of 1924-1928 Overprinted "S.d.N - Bureau - international - du Travail", typ C1]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/C1-s.jpg)
![[Switzerland Postage Stamps of 1924-1928 Overprinted "S.d.N - Bureau - international - du Travail", typ C2]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/C2-s.jpg)
![[Switzerland Postage Stamps of 1924-1928 Overprinted "S.d.N - Bureau - international - du Travail", typ C3]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/C3-s.jpg)
![[Switzerland Postage Stamps of 1924-1928 Overprinted "S.d.N - Bureau - international - du Travail", typ C4]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/C4-s.jpg)
![[Switzerland Postage Stamps of 1924-1928 Overprinted "S.d.N - Bureau - international - du Travail", typ C5]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/C5-s.jpg)
![[Switzerland Postage Stamps of 1924-1928 Overprinted "S.d.N - Bureau - international - du Travail", typ C6]](https://www.stampworld.com/media/catalogue/Switzerland/ILO/C6-s.jpg)
| Číslo | Typ | D | Farba | Popis |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | C | 2½(C) | hnedé olivy | 353 | - | 0,59 | - | USD |
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| 26 | C1 | 3(C) | fialovo modrá | (95.000) | 588 | - | 1,77 | - | USD |
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| 27 | C2 | 7½(C) | zelená | (600.000) | 353 | - | 0,59 | - | USD |
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| 28 | C3 | 10(C) | modrasto zelená | 353 | - | 0,88 | - | USD |
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| 29 | C4 | 15(C) | hnedo karmínová | 353 | - | 1,77 | - | USD |
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| 30 | C5 | 5Fr | modrá | 588 | - | 94,19 | - | USD |
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| 31 | C6 | 10Fr | sivasto zelená | (8.000) | 588 | - | 147 | - | USD |
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| 25‑31 | 3 178 | - | 246 | - | USD |
