Astronomers

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1954 Sc 1691 Pulkovo Observatory Scott 1722
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1956 Sc 1866 125th Birth Anniversary of Fyodor Bredikhin Scott 1887
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1965 Sc 3165 Birth Centenary of P. K. Sternberg Scott 2971A
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1965 Sc 3165 Full sheet. P. K. Sternberg Scott 2971A
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1966 Sc 3343 75th Birth Anniversary of Otto Yulyevich Schmidt Scott 3191A
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1973 Sc 4146 500th Birth Anniversary of Copernicus Scott 4060
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2011 Sc 1543 BL 124 M.V.Lomonosov Scott 7319
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