DDR
Montre maintenant: DDR - Timbres-Poste (1949 - 1990) - 1 Timbres-poste.
1972
The international meeting for the centenary of meteorologists in Leipzig (1872-1972)
23. mars WM: Aucun Taille de la feuille: 1 Perforation: 13 x 12½
![[The international meeting for the centenary of meteorologists in Leipzig (1872-1972), type ]](https://www.stampworld.com/media/catalogue/DDR/Postage-stamps/1489-b.jpg)
