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| 正面描述 | Central field bears a Gothic open crown with small crosses decorating the lower sections between the arches, rendered in a medieval heraldic style. The crown is presented frontally and occupies the central device of the obverse. A circular Latin legend runs along the border, identifying the issuing ruler by name and title. |
|---|---|
| 正面文字 | Latin |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | 登录 以查看详情 |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | 登录 以查看详情 |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 |
Poland's salt mines — particularly those at Wieliczka and Bochnia — were among the most economically significant in medieval and early modern Europe, funding roughly a third of the Polish royal treasury at their peak. Administrative reforms to their operation were politically charged events, typically tied to either crown financial crises or foreign occupation pressures reorganizing extraction rights.
Aluminium struck medals of this type were generally produced for internal distribution within state enterprises during the communist period, when commemorative medals served an ideological function within nationalized industries.