1982
Schweiz
Viser nu Schweiz - WIPO (1982 - 1985) - 1 frimærker.
1985
Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE"
10. september VM: Ingen Design: Roland Hirter. Perforeringer: 11¾
![[Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE", type E]](https://www.stampworld.com/media/catalogue/Switzerland/WIPO/E-s.jpg)
