Coat of arms of <a href="https://en.wikipedia.org/wiki/Trakai_Voivodeship" class="extiw" title="w:Trakai Voivodeship">Trakai Voivodeship</a> with standing warrior and the <a href="https://en.wikipedia.org/wiki/Columns_of_Gediminas" class="extiw" title="w:Columns of Gediminas">Columns of Gediminas</a> from the <i>Codex Bergshammar</i>, dating to ~1435.
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="https://sok.riksarkivet.se/bildvisning/R0001216_00060#?c=&amp;m=&amp;s=&amp;cv=59&amp;xywh=-620%2C-153%2C5126%2C2835">Sok.riksarkivet.se</a> (page 113 in the actual book; page 60 in the online version)