Fireplug sign in <a href="https://en.wikipedia.org/wiki/Kiel" class="extiw" title="en:Kiel">Kiel</a>-<a href="https://en.wikipedia.org/wiki/Steenbek-Projensdorf" class="extiw" title="en:Steenbek-Projensdorf">Steenbek-Projensdorf</a>
Christian Alexander Tietgen
<span class="int-own-work" lang="en">Own work</span>