Russia 2710-2715

$ 2.20

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Russia 2710-2715, MNH, $3,00. Michel 2728-2729, 2731, 2793, 2808-2809. 1963. Russian Academy of Science, members: M.A. Pavlov, I.V. Kurchatov, V.I. Vernadski, A.I. Krylov, E.O. Paton and Dnieper Bridge, V.A. Obrutchev, geologist.