World Neurochemical Congress 1987
Ditunjukkan sekarang: Venezuela - Setem-setem bayaran pos - 1987 - World Neurochemical Congress - 2 Setem-setem.
1987
World Neurochemical Congress
8. May WM: Tiada Ukiran: Gráficas Armitano C.A., Caracas. Perforasi: 12¼ x 12
![[World Neurochemical Congress, jenis CNN]](https://www.stampworld.com/media/catalogue/Venezuela/Postage-stamps/CNN-s.jpg)
![[World Neurochemical Congress, jenis CNO]](https://www.stampworld.com/media/catalogue/Venezuela/Postage-stamps/CNO-s.jpg)
