Black (#000000) flag with red (#ff0000) horizontal stripe
<a href="//commons.wikimedia.org/wiki/User:Ekips39" class="mw-redirect" title="User:Ekips39">Ekips39</a>
2019-01-04
Own work based on <a href="//commons.wikimedia.org/wiki/File:600px_Nero_Con_Striscia_Rossa.png" title="File:600px Nero Con Striscia Rossa.png">File:600px Nero Con Striscia Rossa.png</a>