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SCOTT NO
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436 A92
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DATE OF ISSUE
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1979 Nov 26
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FACE VALUE
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25c
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COUNTRY
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South West Africa
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DESCRIPTION
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The stamp shows amethyst. It is a highly valued stone. Crystals are always grown on base. It loses some color in daylight. The original color can be restored by X-ray radiation. The coloring agent is iron.
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GEMSTONE
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Amethyst
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VARIATION
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Meter Mark, Block, First Day Cover, Envelope
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