Flag of the province of León (Spain). See <a href="https://en.wikipedia.org/wiki/es:Her%C3%A1ldica_de_Le%C3%B3n" class="extiw" title="w:es:Heráldica de León">Heraldry of León</a> (Spanish) for details.
<a href="https://en.wikipedia.org/wiki/es:usuario:jgaray" class="extiw" title="w:es:usuario:jgaray">jgaray</a>
2006
<span class="int-own-work" lang="en">Own work</span>