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SCOTT NO
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1108 A281
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DATE OF ISSUE
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1971 Sep 24
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FACE VALUE
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3.50e
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COUNTRY
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Portugal
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DESCRIPTION
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The stamp shows beryllium. Beryl is an ore of beryllium. It is used in alloys of copper & in atomic research. It was issued for spanish portuguese american economic geology congress.
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VARIATION DESCRIPTION
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It is a par avion air mail envelope used for postage.
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GEMSTONE
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Beryl
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VARIATION
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Used, Meter Mark, First Day Cover, PC, Envelope
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