1982
Schweiz
Visar nu: Schweiz - WIP (1982 - 1985) - 1 frimärken.
1985
Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE"
10. september WM: Inga Design: Roland Hirter. Perforering: 11¾
![[Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE", Typ E]](https://www.stampworld.com/media/catalogue/Switzerland/WIPO/E-s.jpg)
