The 25th Anniversary of the Joint Institute for Nuclear Research, Dubna 1981
Dabar rodoma: Bulgarika - Pašto Ženklai - 1981 - The 25th Anniversary of the Joint Institute for Nuclear Research, Dubna - 1 ženklai.
1981
The 25th Anniversary of the Joint Institute for Nuclear Research, Dubna
10. kovas WM: Niekas Perforacija: 13¼ x 13
![[The 25th Anniversary of the Joint Institute for Nuclear Research, Dubna, tipas DBG]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/DBG-s.jpg)
