Cross symbol used by the Huguenots, French Protestants in 16th and 17th century. Today It also an official symbol of the <i>Eglise des protestants reformé de France</i>.
<a href="//commons.wikimedia.org/wiki/User:Nicetry" title="User:Nicetry">Nicetry</a> (based on the work of <a href="https://en.wikipedia.org/wiki/de:Benutzer:Ulrich.fuchs" class="extiw" title="w:de:Benutzer:Ulrich.fuchs">Ulrich Fuchs</a>)
CC BY-SA 3.0
made with The GIMP based on <a href="https://en.wikipedia.org/wiki/de:Bild:Kreuz-hugenotten.png" class="extiw" title="w:de:Bild:Kreuz-hugenotten.png">this file</a>