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20 Groszy
| Issuer | Mint of Poland (Mennica Polska) |
|---|---|
| Year | 2019-2023 |
| Type | Log in to see details |
| Value | Log in to see details |
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| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
| Shape | Log in to see details |
| Technique | Milled |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | mw RZECZPOSPOLITA POLSKA 2020 |
| Reverse description | Log in to see details |
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| Reverse lettering | Log in to see details |
| Edge | Log in to see details |
| Mint | Log in to see details |
| Mintage | 2019 MW - - 1,000,000 2020 MW - - 94,230,000 2021 MW - - 42,795,000 2022 MW - - 79,515,000 2023 MW - - 91,800,000 |
| Additional information |
Poland switched its circulation coinage to steel-core planchets in stages beginning around 2013, driven primarily by rising copper and nickel commodity prices making the older solid copper-nickel pieces increasingly expensive to produce. The 20 groszy was among the later denominations converted, with the magnetic plated-steel version entering production for the 2019 dated issues. Vending machine operators and transit systems required recalibration of magnetic sensors across the country following the changeover.