<p>Postcard  Deutscher Bauaustellung  May - Aug 1931  Berlin  
Kupferhaeuser 
Sent to Breslau
</p>
Photo  Duehren &amp; Henschel.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/28179929@N08">Sludge G</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/sludgeulper/50002958492/">Postcard  Deutscher Bauaustellung  May - Aug 1931  Berlin</a>