Civil ensign of <a href="https://en.wikipedia.org/wiki/Luxembourg" class="extiw" title="w:Luxembourg">Luxembourg</a>
<a href="//commons.wikimedia.org/wiki/User:Kontrollstellekundl" title="User:Kontrollstellekundl">Kontrollstellekundl</a>
<span class="int-own-work" lang="en">Own work</span> derived from <a href="//commons.wikimedia.org/wiki/File:Civil_Ensign_of_Luxembourg.svg" class="image"><img alt="Civil Ensign of Luxembourg.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Civil_Ensign_of_Luxembourg.svg/100px-Civil_Ensign_of_Luxembourg.svg.png" decoding="async" width="100" height="71" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Civil_Ensign_of_Luxembourg.svg/150px-Civil_Ensign_of_Luxembourg.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Civil_Ensign_of_Luxembourg.svg/200px-Civil_Ensign_of_Luxembourg.svg.png 2x" data-file-width="1190" data-file-height="850"></a>