Venezuela
Now showing: Venezuela - Postage stamps (1859 - 2021) - 1 stamps.
1987
World Neurochemical Congress
8. May WM: None Engraving: Gráficas Armitano C.A., Caracas. Perforation: 12¼ x 12
![[World Neurochemical Congress, type CNN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Venezuela/Postage-stamps/CNN-s.jpg)
![[World Neurochemical Congress, type CNO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Venezuela/Postage-stamps/CNO-s.jpg)