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| Sputnik 3 stamp first day of issue, Moscow. Signed by Russian cosmonaut, Valentina Tereshkova, the first woman in space. |
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| Photo : Sputnik 3 spacecraft. |
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| Photo: William Pickering commenting on the Sputnik 3 spacecraft. |
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| Sputnik 3 achieved 1000 orbits in space. |
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| Sputnik 3 achieved 3000 orbits in space. |
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| Photo: Orbital path of Sputnik 3. |
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| 1958 International Geophysical Year (VCSAGI), cover with postmark on the first day, 30 July 1958. |
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| 1958 International Geophysical Year (VCSAGI), postcard with postmark on 4 August 1958. |
