<a href="https://de.wikipedia.org/wiki/Alte_Rheinbr%C3%BCcke_(Bonn)" class="extiw" title="de:Alte Rheinbrücke (Bonn)">The old bridge over the Rhine in Bonn</a>, Bonn, Germany, postcard;
Unknown author<span style="display: none;">Unknown author</span>
AK-Verlag Ottmar Zieher, München, PD