The 100th Anniversdary of the Birth of Mstislav Keldysh, 1911-1978 2011
Rāda: Krievija - Pastmarkas - 2011 - The 100th Anniversdary of the Birth of Mstislav Keldysh, 1911-1978 - 1 marka.
2011
The 100th Anniversdary of the Birth of Mstislav Keldysh, 1911-1978
25. janvāris SV: Neviens Lapas izmērs: 15 Perforēšana: 12
![[The 100th Anniversdary of the Birth of Mstislav Keldysh, 1911-1978, veids BGS]](https://www.stampworld.com/media/catalogue/Russia/Postage-stamps/BGS-s.jpg)
