General officer's cocked hat with cockade with the colours of the Republc (green and red), dated 1920s. It belonged to General Farinha Beirão, General-Commander of the Republican National Guard (GNR).
<a href="//commons.wikimedia.org/wiki/User:RickMorais" title="User:RickMorais">RickMorais</a>
<span class="int-own-work" lang="en">Own work</span>