1982
Šveicarija
Dabar rodoma: Šveicarija - PINO (1982 - 1985) - 1 ženklai.
1985
Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE"
10. rugsėjis WM: Niekas Dizainas: Roland Hirter. Perforacija: 11¾
![[Activities of World Intellectual Property Organization - Inscription "ORGANISATION MONDIALE DE LA PROPRIÉTE INTELLECTUELLE", tipas E]](https://www.stampworld.com/media/catalogue/Switzerland/WIPO/E-s.jpg)
