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SCOTT NO
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853 A345
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DATE OF ISSUE
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1992 Okt 15
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FACE VALUE
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50c
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COUNTRY
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Bolivia
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DESCRIPTION
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The stamp shows arms and three pieces of rough namely Cassiterite, Sulphur & Bismuthineite. It was issued on the centenary of Oruro Technical University.
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MINERAL
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Bismuthinite, Cassiterite, Sulphur
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VARIATION
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Block, Envelope
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