Rang insignia of the until 1945, here sleeve insignia <b>Commodore</b> (today comparable: OF-5a).
<a href="//commons.wikimedia.org/w/index.php?title=User:Ignasi&amp;action=edit&amp;redlink=1" class="new" title="User:Ignasi (page does not exist)">Ignasi</a>
23/3/9
<span class="int-own-work" lang="en">Own work</span>