Dabar rodoma: Šveicarija - PSO (1950 - 1959) - 6 ženklai.
1957
World Health Organization Emblem - Inscription "ORGANISATION - MONDIALE - DE LA SANTÉ"
16. rugsėjis WM: Niekas Perforacija: 11¾
![[World Health Organization Emblem - Inscription "ORGANISATION - MONDIALE - DE LA SANTÉ", tipas C]](https://www.stampworld.com/media/catalogue/Switzerland/WHO/C-s.jpg)
![[World Health Organization Emblem - Inscription "ORGANISATION - MONDIALE - DE LA SANTÉ", tipas C1]](https://www.stampworld.com/media/catalogue/Switzerland/WHO/C1-s.jpg)
![[World Health Organization Emblem - Inscription "ORGANISATION - MONDIALE - DE LA SANTÉ", tipas C2]](https://www.stampworld.com/media/catalogue/Switzerland/WHO/C2-s.jpg)
![[World Health Organization Emblem - Inscription "ORGANISATION - MONDIALE - DE LA SANTÉ", tipas C3]](https://www.stampworld.com/media/catalogue/Switzerland/WHO/C3-s.jpg)
![[World Health Organization Emblem - Inscription "ORGANISATION - MONDIALE - DE LA SANTÉ", tipas C4]](https://www.stampworld.com/media/catalogue/Switzerland/WHO/C4-s.jpg)
![[World Health Organization Emblem - Inscription "ORGANISATION - MONDIALE - DE LA SANTÉ", tipas C5]](https://www.stampworld.com/media/catalogue/Switzerland/WHO/C5-s.jpg)
| Nr. | Tipas | D | Spalva | Apibūdinimas |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 26 | C | 5(C) | pilkai violetinė | 0,26 | - | 0,26 | - | USD |
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| 27 | C1 | 10(C) | tamsiai žalia | 0,26 | - | 0,26 | - | USD |
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| 28 | C2 | 20(C) | raudona | 2,08 | - | 2,08 | - | USD |
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| 29 | C3 | 40(C) | ultramarino | 2,61 | - | 2,61 | - | USD |
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| 30 | C4 | 60(C) | rausvai ruda | 0,52 | - | 0,52 | - | USD |
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| 31 | C5 | 2Fr | violetinė | 1,56 | - | 1,56 | - | USD |
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| 26‑31 | 7,29 | - | 7,29 | - | USD |
