State Ensign of the Free City of Danzig (Dienstflagge)
<a href="//commons.wikimedia.org/wiki/User:Sodacan" title="User:Sodacan">Sodacan</a>
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Own work  using: <a rel="nofollow" class="external autonumber" href="https://www.fotw.info/flags/de-dz~s.html">[1]</a> <a href="//commons.wikimedia.org/wiki/File:Froboss.jpg" title="File:Froboss.jpg">Froboss.jpg</a>: <a href="//commons.wikimedia.org/wiki/File:Froboss.jpg" class="image"><img alt="Froboss.jpg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Froboss.jpg/48px-Froboss.jpg" decoding="async" width="48" height="34" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Froboss.jpg/72px-Froboss.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Froboss.jpg/96px-Froboss.jpg 2x" data-file-width="450" data-file-height="322"></a>