Reconstruction of coat of arms of King of Poland <a href="https://en.wikipedia.org/wiki/Przemys%C5%82_II" class="extiw" title="en:Przemysł II">Przemysł II</a> according to a piston great seals of city of Poznań ca. 1350
reconstruction: Jerzy Bąk, vectorization: <a href="//commons.wikimedia.org/wiki/User:Poznaniak" title="User:Poznaniak">Poznaniak</a>
<span class="int-own-work" lang="en">Own work</span>, from <a href="//commons.wikimedia.org/wiki/File:POL_Pozna%C5%84_COA.svg" title="File:POL Poznań COA.svg">File:POL Poznań COA.svg</a>