 Several routes crossed state borders, and this was indicated by the letters "gr" (for "Grenze" or "border") or a horizontal line.Part of the inscription on all columns was a post horn on all four sides, which was the emblem of the state's postal sovereignty.The arms of the Electorate of Saxony with a gilded crown and the Polish royal crown with the royal Polish-Lithuanian coat of arms were shown on the superstructure.