Model of holk (hulk) - Baltic vessel from XV century. Exhibit in National Maritime Museum in Gdańsk, Poland
<div class="fn value">
<a rel="nofollow" class="external text" href="https://www.nmm.pl">National Maritime Museum in Gdańsk</a></div>
CC BY-SA 3.0 pl
<a rel="nofollow" class="external text" href="https://kolekcje.nmm.pl/">Kolekcje Narodowego Muzeum Morskiego w Gdańsku</a>