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GEOLOGY ON POST STAMPS |
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GEOLOGY ON POST STAMPS |
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Gruzja / Georgia
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Kryształ górski Rock crystal |
Agat z ametystem Agate with
amethyst |
"Róża" aurypigmentowa Orpiment
"rose" |
Realgar z aurypigmentem Realgar with
orpiment |
Coll. A. Kozlowski
