10Zl 450 Years of the Polish Postal Service hologram At the top right-hand side, a image of the Eagle the emblem of Poland. In the center a image of a post stamp depicting a mounted post rider on horse playing the trumpet and trees. In the background of the post stamp, a image of a postal map. In the center a 16th century post courier. A background of a 17th century engraved copperplate with an image of an inn. Bottom left side an inscription: 450/LAT (450th anniversary). Below, a postal trum