A Japanese-style banner regularly displayed on the Shō clan's ships bound for Satsuma. Based on the <i>Naha-kō zu</i> (in possession of  Shurijo Castle Park).
<a href="//commons.wikimedia.org/wiki/User:Nanshu" title="User:Nanshu">Nanshu</a>
CC BY-SA 4.0
Derived from <a href="//commons.wikimedia.org/wiki/File:Hidari_mitsudomoe.svg" title="File:Hidari mitsudomoe.svg">File:Hidari mitsudomoe.svg</a> (author: <a href="//commons.wikimedia.org/wiki/User:BraneJ" title="User:BraneJ">BraneJ</a> (<a href="//commons.wikimedia.org/wiki/User_talk:BraneJ" title="User talk:BraneJ">talk</a><span style="white-space:nowrap"> <b>·</b></span> <a href="//commons.wikimedia.org/wiki/Special:Contributions/BraneJ" title="Special:Contributions/BraneJ">contribs</a>))