DDR
Praegu kuvatakse: DDR - postmargid (1949 - 1990) - 1 margid.
1975
The 275th Anniversary of the Academy of Science
2. juuli WM: mitte ükski perforatsioon: 13½ x 13
![[The 275th Anniversary of the Academy of Science, Tüüp BLJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/DDR/Postage-stamps/BLJ-s.jpg)
![[The 275th Anniversary of the Academy of Science, Tüüp BLK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/DDR/Postage-stamps/BLK-s.jpg)
![[The 275th Anniversary of the Academy of Science, Tüüp BLL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/DDR/Postage-stamps/BLL-s.jpg)
![[The 275th Anniversary of the Academy of Science, Tüüp BLM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/DDR/Postage-stamps/BLM-s.jpg)
