The 6th Congress of Federation of European Biochemical Societies 1969
Now showing: Spain - Postage stamps - 1969 - The 6th Congress of Federation of European Biochemical Societies - 1 stamps.
1969
The 6th Congress of Federation of European Biochemical Societies
7. April WM: None Engraving: F.N.M.T. Perforation: 13 x 12¾
![[The 6th Congress of Federation of European Biochemical Societies, type BRS]](https://www.stampworld.com/media/catalogue/Spain/Postage-stamps/BRS-s.jpg)
