Postal stone.

At the border crossing in Kalk, on the edge of the village of Rübenau, an old post stone has been preserved. The postal route from Chemnitz via Jirkov to Prague led here. Post transport was provided by horse-drawn wagons.
Post stones were placed on these postal routes and at their stops. On the big milestones, the distance to the big city was indicated, and on the half stones, the distance to the nearest…