Venezuela
Prezentat acum: Venezuela - Timbre poştale (1859 - 2021) - 1 timbre.
1987
World Neurochemical Congress
8. Mai WM: Niciunul Gravură: Gráficas Armitano C.A., Caracas. Perforare: 12¼ x 12
![[World Neurochemical Congress, Tip CNN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Venezuela/Postage-stamps/CNN-s.jpg)
![[World Neurochemical Congress, Tip CNO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Venezuela/Postage-stamps/CNO-s.jpg)