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SCOTT NO
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551 A154
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DATE OF ISSUE
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1976 Mai 07
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FACE VALUE
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50fr
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COUNTRY
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Malagasy Republic
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DESCRIPTION
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The stamp shows buried material gradually replaced by silica or pyrite from solutions which permeate the rock in a process called petrification. The action of hot silica bearing waters forms petrified wood. Its preserved in petrified Forest National Park.
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MINERAL
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Petrified Wood
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VARIATION
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First Day Cover, Envelope
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