MOSCOW, RUSSIA - JUNE 19, 2019: Postage stamp printed in Soviet Union (USSR) shows Kovalenok, Ivanchenkov, Space Research, 140 Days in Space

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MOSCOW, RUSSIA - JUNE 19, 2019: Postage stamp printed in Soviet Union (USSR) shows Kovalenok, Ivanchenkov, Space Research, 140 Days in Space serie, circa 1978

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Size: 4589px × 3313px
Photo credit: © Alexander Mitrofanov / Alamy / Afripics
License: Royalty Free
Model Released: No

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