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SCOTT NO
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530 A119
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DATE OF ISSUE
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1958 Jun 18
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FACE VALUE
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1.70k
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COUNTRY
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Sweden
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DESCRIPTION
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The stamp shows a Bessemer Convertor. It was issued for the first successful Bessemer blow in Sweden. Bessemer Convertor: a process of making steel from pig iron by burning out carbon & other impurities by means of blast of air forced through molten metal
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MINERAL
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Factory - Industry, Iron, Steel
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