Reverse In the central part, an inscription in four lines: 3GROSZEPOLSKIE1815. The rim is decorated with dots.
Obverse The center of the obverse features a crowned double-headed eagle. On its chest is the coat of arms of the Kingdom of Poland, under a royal crown and canopy. In its right talon, the eagle holds a scepter and a sword, and below it is the letter 'I•'. In its left talon, an orb is visible, and below it is the letter 'B•'. Together, the letters indicate the mintmaster Jacub Benik. The rim is decorated with dots.