A rare commemorative plaque from the International Star Rally for the Grand Prix of Poland, held in Katowice on June 27-28, 1931. From the central point - Katowice - the roads leading to the most important cities participating in the rally spread radially: Warsaw, Lviv, Krakow, Lviv, Vienna, Budapest, Prague, Wroclaw, Berlin, Poznan, Gdansk. In the center of the placard is the coat of arms of ...