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SCOTT NO
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553 A80
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DATE OF ISSUE
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1970 Okt 31
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FACE VALUE
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1.50e
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COUNTRY
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Angola
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DESCRIPTION
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The multicolored stamp shows rough dioptase crystal. Dioptase is Copper Silicate hydroxide and occurs in emerald green to deep dark green color with good luster.
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VARIATION DESCRIPTION
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FDC issued on October 31st, 1970 shows geology, palacentology & mineralogy representing minerals & fossils. The MM reads 'geology, palacentology & mineralogy'. Print on the left shows various stones and fossils.
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GEMSTONE
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Dioptase
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VARIATION
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Used, Error, Meter Mark, Block, First Day Cover, Envelope
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