<a href="https://en.wikipedia.org/wiki/Flag_of_Hungary" class="extiw" title="en:Flag of Hungary">Customs Ensign</a> of <a href="https://en.wikipedia.org/wiki/Kingdom_of_Hungary_(1867%E2%80%931918)" class="extiw" title="en:Kingdom of Hungary (1867–1918)">Hungary</a> from 6 November 1915 to 29 October 1918, used by the Royal Hungarian Maritime Finance Guard in <a href="https://en.wikipedia.org/wiki/Corpus_separatum_(Fiume)" class="extiw" title="en:Corpus separatum (Fiume)">Fiume</a>. The inscription below the coat of arms reads: "M. K. Pénzügyőrség" (Royal Hungarian Finance Guard).
<a href="//commons.wikimedia.org/wiki/User:Thommy9" title="User:Thommy9">Thommy</a>
This <a href="https://en.wikipedia.org/wiki/vector_image" class="extiw" title="w:vector image">vector image</a> includes elements that have been taken or adapted from this file: