Stamp of the North German Confederation, issue 1868, 1 Groschen, double circle cancelled <a href="//commons.wikimedia.org/wiki/Category:Saarlouis" title="Category:Saarlouis">SAARLOUIS</a> on 18 October 1868. Michel N°4.
<a href="//commons.wikimedia.org/wiki/User:Jacquesverlaeken" title="User:Jacquesverlaeken">Jacquesverlaeken</a>
1868-10-18
<span class="int-own-work" lang="en">Own work</span>, 2014-02-26 23:47:19