Light gray (#a9a9a9) flag with black (#000000) border
<a href="//commons.wikimedia.org/wiki/User:Ekips39" class="mw-redirect" title="User:Ekips39">Ekips39</a>
2019-01-05
Own work based on <a href="//commons.wikimedia.org/wiki/File:600px_Grigio_e_Nero_(Bordato).png" title="File:600px Grigio e Nero (Bordato).png">File:600px Grigio e Nero (Bordato).png</a>