Old house in the city of Flensburg
<bdi><a href="https://en.wikipedia.org/wiki/en:Alexander_Eckener" class="extiw" title="w:en:Alexander Eckener"><span title="German painter (1870-1944)">Alexander Eckener</span></a>
</bdi>
<span class="int-own-work">Self-photographed</span> of postcard