Banner of of <a href="https://en.wikipedia.org/wiki/Kelsterbach" class="extiw" title="w:Kelsterbach">Kelsterbach</a>, Hesse, Germany
<bdi><a href="https://www.wikidata.org/wiki/Q45315632" class="extiw" title="d:Q45315632"><span title="German heraldist and graphic artist (1895-1956)">Georg Massoth</span></a>
</bdi>
1952-03-31
<a rel="nofollow" class="external text" href="https://starweb.hessen.de/cache/STANZ/1952/00015.pdf#page=4">Genehmigung einer Flagge der Stadt Kelsterbach</a>