Dabar rodoma: Šveicarija - PSO (1980 - 1989) - 1 ženklai.
1986
World Health Organization Emblem - Inscription "ORGANISATION - MONDIALE - DE LA SANTÉ - WHO - OMS"
27. gegužė WM: Niekas Dizainas: Hans Toni. Perforacija: 11¾
![[World Health Organization Emblem - Inscription "ORGANISATION - MONDIALE - DE LA SANTÉ - WHO - OMS", tipas D4]](https://www.stampworld.com/media/catalogue/Switzerland/WHO/D4-s.jpg)
