Flag of the Municipality of <a href="https://en.wikipedia.org/wiki/Gisikon" class="extiw" title="en:Gisikon">Gisikon</a>, <a href="https://en.wikipedia.org/wiki/Canton_of_Lucerne" class="extiw" title="en:Canton of Lucerne">Canton of Lucerne</a>, <a href="https://en.wikipedia.org/wiki/Switzerland" class="extiw" title="en:Switzerland">Switzerland</a>
<div style="display:inline-block;padding:0 3px;background-color:#CCF">Original:</div> <div style="display:inline-block;padding:3px 0;">Unknown</div> <div style="display:inline-block;padding:0 3px;background-color:#CCF">Vector: </div> <div style="display:inline-block;"><a href="//commons.wikimedia.org/wiki/User:ARK" title="User:ARK">ARK</a></div>
Own work based on: <a rel="nofollow" class="external text" href="https://staatsarchiv.lu.ch/kantonsgeschichte/gemeinden/Gemeindewappen/Gisikon/">Gisikon</a>, Staatsarchiv Luzern.