30.04.2010
Category: Science : Geology
Stamps: The 100th anniversary of birth of Yevgeny Fyodorov (1910-1981). FDC: The 100th anniversary of birth of Eugeny Feodorov (1910-1981). Souvenir packs in cover: Souvenir pack "The 100th anniversary of birth of Yevgeny Fyodorov (1910-1981)".