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SCOTT NO
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397 A65
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DATE OF ISSUE
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1978 Aug 16
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FACE VALUE
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7c
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COUNTRY
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Southern Rhodesia
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DESCRIPTION
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The stamp shows blue topaz gemstone. Its name is derived from an island in red sea. The coloring agent is iron & chromium. Care must be taken while polishing & setting because of danger of cleavage. It is not resistant to hot sulphuric acid.
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GEMSTONE
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Blue Topaz
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VARIATION
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Block, First Day Cover, Envelope
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