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SCOTT NO
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1561 A587
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DATE OF ISSUE
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1968 Aug 08
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FACE VALUE
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80h
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COUNTRY
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Czechoslovakia
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DESCRIPTION
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The stamp shows Rocks, basalt veins & polished Agate gemstone. It was issued on 23rd international geological congress held in Prague.
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GEMSTONE
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Agate
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VARIATION
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Used, Meter Mark, First Day Cover, Envelope
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