Designer: obverse: Sebastian Mikołajczak; reverse: Ewa Tyc-Karpińska
Summary: Y# 923
Diameter: 15.5 mm
Reverse In the central part, the inscription '1 GROSZ' in two lines. In the upper and right parts of the coin, along the rim, a single oak leaf on a tree branch is depicted.
Obverse In the central part, the country's coat of arms is depicted - an eagle facing left. To the left, below, and to the right of the image, an inscription in Polish: 'RZECZPOSPOLITA POLSKA', which translates as: 'REPUBLIC OF POLAND'. In the lower part, along the arc of the coin's edge - the year of minting: '2013'.