Built in 1837 by the Kingdom of Prussia.
<p>It is one stone of two with the same number.
It is located on the Belgian side of the border of the former "Kreis Eupen" (now municipality Lontzen) and the municipality Welkenraedt.
With the treaty of Versailles, the borderline lost her raison d'être.
The stones from number 158 and 193 have two different formats:
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<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>