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SCOTT NO
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1499b A238
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DATE OF ISSUE
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1998 Okt 30
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FACE VALUE
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750fr
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COUNTRY
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Guinea
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DESCRIPTION
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The stamp shows Wolframite Gemstone. It is a mineral of quartz vein & pegmatites. It is found in the form of tabular or prismatic crystals. Tungsten is an ore of Wolframite. It is used in lamp filaments & in steel alloy cutting tools.
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GEMSTONE
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Wolframite
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VARIATION
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Block
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