1982
Šveice
Rāda: Šveice - WIPO (1982 - 1985) - 1 marka.
1985
Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE"
10. septembris SV: Neviens Dizains: Roland Hirter. Perforēšana: 11¾
![[Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE", veids E]](https://www.stampworld.com/media/catalogue/Switzerland/WIPO/E-s.jpg)
