In the centre, an image of the Eagle established as the State Emblem of the Republic of Poland and mintmark set against the background of isolated planes being the outline of the territory of Poland. Below the Eagle, on the left, obliquely, the notation of the year of issue: 2012. At the bottom, diagonally, in an isolated area, a formula appearing in the Banach fixed-point theorem. Underneath, diagonally, an inscription: 200 Zl. At the top, a semicircular inscription: RZECZPOSPOLITA POLSKA.
Description reverse
On the right, against the background of a geometric pattern, a stylised image of a bust of Stefan Banach. Below it, on the right, obliquely, against the background of an isolated area, a mathematical formula illustrating the thesis of the Banach fixed-point theorem. On the left, diagonally, an inscription: STEFAN/BANACH/1892-1945.