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| Issuer | National Bank of Poland |
|---|---|
| Year | 1977 |
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| Shape | Round |
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| Obverse description | The obverse features the crowned Polish eagle of the People's Republic of Poland displayed in the central field with wings spread, facing right, rendered in bold relief. The date 1977 is split to either side of the eagle's body, with '19' to the left and '77' to the right. The circular legend 'POLSKA RZECZPOSPOLITA LUDOWA' runs along the upper periphery. The denomination '20' in large numerals appears at the base of the design, flanked by the currency abbreviations '• ZŁ' on each side. The Warsaw Mint mark 'MW' is present beneath the eagle. |
|---|---|
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| Obverse lettering | POLSKA RZECZPOSPOLITA LUDOWA 19 77 mw • ZŁ 20 ZŁ • |
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| Additional information |
Maria Konopnicka, the poet and novelist whose centenary of birth was marked by this issue, is best known internationally for writing the lyrics to "Rota," a patriotic anthem so charged that it was effectively banned under Prussian partition. The trial strike designation here reflects Poland's standard practice of producing probe issues in alternative metals before committing to final production runs — the circulation type was struck in copper-nickel, making this nickel composition a documented variant from the approval process rather than an error or fantasy piece.