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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | The reverse centers on an intaglio portrait of Christopher Polhem, known as 'The Father of Swedish Engineering,' accompanied by mathematical calculations drawn from one of his personal notebooks. Flanking vignettes depict the Falun copper mine with one of Polhem's ore-hauling installations and a detailed engraving of a gear wheel from his industrial works in the county of Dalarna. |
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| 签名 | 登录 以查看详情 |
| 防伪类型 | Watermark, Security thread |
| 防伪描述 | King Karl XI portrait matching the obverse vignette; embedded security thread running vertically through the note. |
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