Seal of the Republic of Biak-na-Bato.
<a href="//commons.wikimedia.org/wiki/User:Samhanin" title="User:Samhanin">Samhanin</a>
2017-01-22
<span class="int-own-work" lang="en">Own work</span>, <a rel="nofollow" class="external autonumber" href="http://www.gov.ph/araw-ng-republikang-filipino-1899/">[1]</a>