1982
Sveits
Viser nå: Sveits - WIPO (1982 - 1985) - 1 frimerker.
1985
Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE"
10. September VM: Ingen Design: Roland Hirter. Perforering: 11¾
![[Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE", type E]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/WIPO/E-s.jpg)
