This caricature represents the <a href="https://en.wikipedia.org/wiki/1905_law_on_secularity" class="extiw" title="w:1905 law on secularity">w:1905 law on secularity</a> in France, and more info is found there about its legal state.
<bdi><a href="https://en.wikipedia.org/wiki/en:Charles_Lucien_L%C3%A9andre" class="extiw" title="w:en:Charles Lucien Léandre"><span title="French painter (1862-1934)">Charles Lucien Léandre</span></a>
</bdi>
1905
<a rel="nofollow" class="external free" href="http://www.des-gens.net/La-Laicite-francaise">http://www.des-gens.net/La-Laicite-francaise</a>