English version of Plimsoll line marks.
<a href="//commons.wikimedia.org/wiki/User:Brosen~commonswiki" title="User:Brosen~commonswiki">Brosen</a> <a href="https://pl.wikipedia.org/wiki/Gda%C5%84sk" class="extiw" title="pl:Gdańsk">Gdańsk</a>, <a href="https://pl.wikipedia.org/wiki/Poland" class="extiw" title="pl:Poland">Poland</a>
2006-03
<span class="int-own-work" lang="en">Own work</span>