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SCOTT NO
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679 A353
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DATE OF ISSUE
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1983 Mai 02
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FACE VALUE
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1.30m
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COUNTRY
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Finland
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DESCRIPTION
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The stamp shows flash smelting method. Flash smelting is a more energy efficient method of meltings or fusing (ores) in oder to separate the metallic constituents by using large amount of heat & combining smelting, roasting and partial converting all in 1
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MINERAL
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Mineral Compounds - Mixtures - Alloys
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