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SCOTT NO
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511 A184
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DATE OF ISSUE
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1951 Apr 25
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FACE VALUE
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25g
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COUNTRY
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Poland
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DESCRIPTION
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The stamp shows a polish scientist, Stanislaw Staszyk. It was isuued on the 1st congres of polish earth sciences.
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VARIATION DESCRIPTION
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This envelope was issued on the occasion of the First Congress of Polish Science.
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MINERAL
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Scientist
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VARIATION
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Proof, Envelope
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