<p>Columbushaus Berlin &lt;a href="<a class="external free" href="https://en.wikipedia.org/wiki/Columbushaus">https://en.wikipedia.org/wiki/Columbushaus</a>" rel="noreferrer nofollow"&gt;en.wikipedia.org/wiki/Columbushaus&lt;/a&gt; pre-1937 removal of the Verkehrsturm
Potsdamer Platz 1 at the angle of Belle Vue Strasse and Friedrich-Ebert , later Hermann-Goering-Strasse.
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Tiefdruck Spezial  nr 181  of I.W.B.  sent September 10 1934 to Bonnyrigg, Scotland.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/28179929@N08">Sludge G</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/sludgeulper/49609033677/">Columbushaus Berlin Potsdamer Platz</a>