One of the three proposals by Munir Dakak from Jerusalem for the flag of Palestine in 1929.
<a href="//commons.wikimedia.org/wiki/User:Germenfer" title="User:Germenfer">Germenfer</a>
<span class="int-own-work" lang="en">Own work</span>, from <a rel="nofollow" class="external text" href="https://www.crwflags.com/fotw/flags/ps!.html#dva">FOTW</a>.