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GEOLOGY ON POST STAMPS |
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GEOLOGY ON POST STAMPS |
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Mali / Mali
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Minerały
niezbyt dobrze przedstawione, prawdopodobnie baryt (150F), złoto rodzime (750F)
i kwarc (900F); bloczek wydany w roku 1997.
Minerals
not very well featured, probably barite (150F), native gold (750F) and quartz
(900F); issued in 1997.
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Coll. A. Kozlowski
