Built in 1837 by the Kingdom of Prussia.
<p>It is one of two stones with the same number.
It is located on the Prussian side of the border of the former "Kreis Eupen" (now municipality Eupen) and the municipality Baelen.
With the treaty of Versailles, the borderline lost her raison d'être.
The stones from number 158 and 193 have two different formats:
</p>
<ul><li>quadratic with a height of 2.8 ft;</li>
<li>octagonal with a height of 4.1 ft.</li></ul>
<a href="//commons.wikimedia.org/wiki/User:LeFagnard" title="User:LeFagnard">LeFagnard</a>
<span class="int-own-work" lang="en">Own work</span>