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| 正面描述 | 登录 以查看详情 |
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| 正面文字 | 登录 以查看详情 |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | Two capercaillies (Tetrao urogallus) are depicted in high relief against a plain field: a large male in the foreground faces left with wings partially spread and beak open in a display posture, while a smaller female stands behind and to the right in a composed stance. The word 'PRÓBA' (trial/proof) appears to the right of the birds in the mid-field. The circular legend 'OCHRONA ŚRODOWISKA' (Environmental Protection) runs along the periphery, arranged vertically on the left side and continuing along the lower arc. |
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| 铸币厂 | (MW) Mint of Poland (Mennica Polska), Warsaw, Poland (1766-date) |
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| 附加信息 |
Poland's Environment Protection series, launched in the late 1970s, was among the first sustained thematic coin programs in the Eastern Bloc to address ecological subjects — a politically cautious nod to conservation at a moment when Solidarity-era tensions were beginning to surface. Trial strikes from this series were produced by Mennica Polska for submission and approval purposes and were never released for general circulation, which explains their survival in substantially better condition than the issued versions.
The capercaillie had declined sharply in Polish forests by mid-century due to logging pressure in the Carpathians and Białowieża region. Its appearance on a trial piece from 1980 carries that specific urgency.