20 zł Polish circulating banknotes

Reverse: In the central part, within a decorative medallion, there is a portrait of King Bolesław I Chrobry; on the left side of the portrait, a semicircle with the inscription: BOLESŁAW I CHROBRY. On the left side of the medallion, at the top, the inscription: NARODOWY / BANK / POLSKI, at the bottom, the inscription: WARSZAWA / 15 SEPTEMBER 2016, below the inscriptions: PRESIDENT and signature, and MAIN / TREASURER and signature. In the background of the inscriptions, the outline of a Romanesque portal. In the upper left corner, vertically, arranged at a 90° angle, the number: 20. On the right side of the number, a vertical line, along the line on the right side, vertically, arranged at a 90° angle, the inscription: TWENTY ZLOTYCH. In the bottom left corner, a circle. On the right side, at the top, against a separate plane with ornament, the number: 20. Below the plane, an oval with fragments of a crown, below it a stylized oak; at the bottom, a separate plane with ornament.

Obverse: In the central part, a stylized image of a denarius – a silver coin from the reign of King Bolesław I Chrobry. On the left side of the denarius, an image of a rotunda, above it an oval with fragments of a crown. On the right side, an image of a lion climbing on a plant stem. At the top, against a ribbon background, the inscription: RZECZPOSPOLITA POLSKA, and on the right side, the year of issue: 2024. At the bottom, against a rectangular plane with ornament, on the left side, the number: 20, on the right side, the inscription: TWENTY ZLOTYCH. In the bottom right corner, the letters: NBP. Above, the image of the eagle established for the coat of arms of the Republic of Poland, below the eagle, on the right side, the mint mark: m / w, on the left side, the inscription: Au 999.9.