Flag of Gy
<div style="display:inline-block;padding:0 3px;background-color:#CCF">Original:</div> <div style="display:inline-block;padding:3px 0;">Fred de Siebenthal</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:Delta-9" title="User:Delta-9">Delta-9</a>, revisé par <a href="//commons.wikimedia.org/wiki/User:Flagvisioner" title="User:Flagvisioner">Flagvisioner</a> et <a href="//commons.wikimedia.org/wiki/User:ARK" title="User:ARK">ARK</a></div>
1924-09-05
<cite class="book" style="font-style:normal">De Montfalcon, Auguste (1925)      <i> Armorial des communes genevoises: publié sous les auspices des Archives d'état</i>, <a href="https://en.wikipedia.org/wiki/en:Geneva" class="extiw" title="w:en:Geneva"><span title="city in Switzerland and capital of its canton">Geneva</span></a>:  Fred de Siebenthal  <small></small></cite>