Sveits
Viser nå: Sveits - Postfrimerker (1849 - 2024) - 1 frimerker.
1992
The 100th Anniversary of the Geneva Conference on Organic Nomenclature
24. March VM: Ingen Design: Burkard Waltenspül. Gravering: Courvoisier. S.A. Perforering: 11¾
![[The 100th Anniversary of the Geneva Conference on Organic Nomenclature, type BEF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/BEF-s.jpg)
