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10 Zlotys Mikolaj Kopernik, large type, Trial Strike
| Issuer | National Bank of Poland |
|---|---|
| Year | 1959 |
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| Composition | Log in to see details |
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| Reference(s) | KM#Pr65, Fischer Po#P087a, ParM#P238a |
| Obverse description | The obverse features the crowned Polish eagle of the People's Republic, displayed with wings spread and head turned to the right, rendered in bold relief at center. The date 1959 is divided by the eagle's talons, with 19 to the left and 59 to the right. The denomination 10 ZŁ appears prominently in the lower field, flanked by decorative dots. The circular legend POLSKA RZECZPOSPOLITA LUDOWA runs along the upper periphery in Latin characters. |
|---|---|
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| Obverse lettering | POLSKA RZECZPOSPOLITA LUDOWA 19 59 ZŁ 10 ZŁ |
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| Additional information |
Poland's postwar monetary reforms left the zloty series in flux through the late 1950s, with the NBP experimenting extensively with module and alloy before committing to circulating types. This trial belongs to that process — the large-module format was ultimately rejected for the Kopernik 10-złotych, with the production coin issued at a reduced diameter. Trial strikes of the larger type reached only a handful of collector and archival examples, making survivors genuinely rare rather than artificially so.
The Fischer and ParM references both classify this as a proof-category essai, struck at the Warsaw Mint on purpose-prepared blanks distinct from any circulation run.