The Fifth International Microbiological Congress - Rio de Janeiro 1950
Viser nu Brasilien - Post frimærker - 1950 - The Fifth International Microbiological Congress - Rio de Janeiro - 1 frimærker.
1950
The Fifth International Microbiological Congress - Rio de Janeiro
23. august VM: 16 Perforeringer: 11 x 12
![[The Fifth International Microbiological Congress - Rio de Janeiro, type AAX]](https://www.stampworld.com/media/catalogue/Brazil/Postage-stamps/AAX-s.jpg)
